Lee's

Lees Premium Under Gravel Filters clean your freshwater or saltwater aquarium through a biological filtering process that supports the growth of beneficial bacteria. This allows natural detoxification and maintains proper ammonia balance by circulating water flow through the gravel bed.

• Under Gravel Filter Circulates Water Flow Through the Gravel Bed
• Requires the use of an Air Pump - not included
• Maximize Water Quality by Using a Power Filter
• Provides Biological Filtration
• Can be used in Freshwater Aquariums and Saltwater Aquariums

Lees Premium Undergravel Filter has a multi-level plate design made of special quality plastic which resists splitting or cracking. The larger plate sizes reduce the number of plates required. The added strength of the UGF plates makes this filter most preferred by saltwater aquarists

Under Gravel Filter Dimensions:
5.5 Gallon Undergravel Filter: 8" x 16"
10 Gallon Undergravel Filter: 10" x 20"
15 / 20H Gallon Undergravel Filter: 12" x 24"
20L / 29 Gallon Undergravel Filter: 12" x 30"
40 / 55 Gallon Undergravel Filter: 12" x 48"
50 / 60 Gallon Undergravel Filter: 18" x 36"
70 / 90 Gallon Undergravel Filter: 18" x 48"
125 / 135 Gallon Undergravel Filter: 18" x 72"
lates makes this filter most preferred by saltwater aquarists

Lees Discard-A-Stones are disposable air diffusers with reusable inserts for attaching to the air line. The Coarse Bubble Diffuser creates a flurry of large bubbles; for smaller bubbles, use Lees Fine Bubble Diffusers.

• Excellent aeration device for all aquariums
• For use in under gravel filters, corner filters or just as decorations.
• Safe for fresh and saltwater aquariums

Includes:

• 6 Count: 6 stones and 4 inserts
• 100 Count: 100 stones

Lees Wooden Air Diffusers are manufactured from an all-natural lime wood. Each diffuser is precisely hand-cut against the grain of the wood to allow for maximum output of super-fine bubbles to be released from the micro pores of the wood.

• Natural micro pores in wood produce super fine bubbles
• Increases the efficiency of air-driven protein skimmers
• Hand cut against the grain for maximum bubble output

Lees Wooden Air Diffusers are the ideal diffuser for use in air-driven, saltwater protein skimmers.

Lees Cartridge Premium Dispenser 2-Pack is an easy-to-install cartridge with twice the high-grade, activated carbon of our Standard Disposable Carbon Cartridge. Lees Cartridge Premium Dispenser keep tanks sparkling clean!

• Premium disposable carbon cartridges
• Fits Lees under gravel filters
• Keeps tank sparkling clean

They are designed to fit our Economy, Original or Premium Undergravel Filters. For optimal performance, it is recommended that you replace your cartridges every 2-3 weeks.

Contents: 2 Premium Carbon Cartridges

Lees Cartridge Carbon Dispenser is an easy-to-install cartridge filled with high-grade, activated carbon. Disposable Carbon Cartridges keep tanks sparkling clean! Lees Cartridge Carbon Dispensers are designed to fit our Economy, Original or Premium Under Gravel Filters.

• Fits Lees undergravel filters
• Replace cartridges every 2-3 weeks
• Carbon cartridges help keep a sparkling clean aquarium

Lees Uplift tube knockout plugs. Fits Lees under-gravel filters. Great for when you switch from an air pump to a power head, or any time you need to remove an uplift tube from your filter plate. Pack of 4 plugs for uplift tube holes.

• Fits Lees under-gravel filters
• For when switching from an air pump to a power head
• Useful anytime you need to remove an uplift tube from your filter plate

The OD of the plug is 1 1/8". This is without opening the manufacturers packaging.

Lees Undergravel Plate Connectors anchor your Lees Undergravel Filter firmly to the floor of your aquarium, providing it with the structural integrity and solid foundation to keep it purifying your tank.

• Multi-level design enhances filters structural integrity
• Hard plastic plates resist splitting and cracking
• Includes T-ring for easy connection

Fits Lees Original and Economy Undergravel Filters only.

Lees Fish Saver Elbows are replacement parts and additions for existing Lees Under Gravel Filter Systems in aquariums. Fish Saver Elbows will fit Lees Premium, Original and Economy filters, and any 1" uplift tube.

• Replacement parts for Lees Under Gravel Aquarium Filters
• Fit Lees Premium, Original and Economy filters, and any 1" uplift tube
• Protect fish from the filter and vice versa

Lees Undergravel Uplift Tubing Assembly contains replacement parts for Lees Economy and Original Undergravel Aquarium Filters. This set includes an elbow, plate connector, telescoping ring and 1" uplift tube.

• Replacement uplift tube assembly
• Fits Lees Original and Economy Undergravel Filters
• Telescoping feature allows an additional 2.5" lift

Lees Undergravel Uplift Tubing Assembly contains replacement parts for Lees Economy and Original Undergravel Aquarium Filters. This set includes an elbow, plate connector, telescoping ring and 1" uplift tube.

• Replacement uplift tube assembly
• Fits Lees Original and Economy Undergravel Filters
• Telescoping feature allows an additional 2.5" lift

Lees Premium Under Gravel Filters clean your freshwater or saltwater aquarium through a biological filtering process that supports the growth of beneficial bacteria. This allows natural detoxification and maintains proper ammonia balance by circulating water flow through the gravel bed.

• Under Gravel Filter Circulates Water Flow Through the Gravel Bed
• Requires the use of an Air Pump - not included
• Maximize Water Quality by Using a Power Filter
• Provides Biological Filtration
• Can be used in Freshwater Aquariums and Saltwater Aquariums

Lees Premium Undergravel Filter has a multi-level plate design made of special quality plastic which resists splitting or cracking. The larger plate sizes reduce the number of plates required. The added strength of the UGF plates makes this filter most preferred by saltwater aquarists

Under Gravel Filter Dimensions:
5.5 Gallon Undergravel Filter: 8" x 16"
10 Gallon Undergravel Filter: 10" x 20"
15 / 20H Gallon Undergravel Filter: 12" x 24"
20L / 29 Gallon Undergravel Filter: 12" x 30"
40 / 55 Gallon Undergravel Filter: 12" x 48"
50 / 60 Gallon Undergravel Filter: 18" x 36"
70 / 90 Gallon Undergravel Filter: 18" x 48"
125 / 135 Gallon Undergravel Filter: 18" x 72"
lates makes this filter most preferred by saltwater aquarists

Lees Premium Under Gravel Filters clean your freshwater or saltwater aquarium through a biological filtering process that supports the growth of beneficial bacteria. This allows natural detoxification and maintains proper ammonia balance by circulating water flow through the gravel bed.

• Under Gravel Filter Circulates Water Flow Through the Gravel Bed
• Requires the use of an Air Pump - not included
• Maximize Water Quality by Using a Power Filter
• Provides Biological Filtration
• Can be used in Freshwater Aquariums and Saltwater Aquariums

Lees Premium Undergravel Filter has a multi-level plate design made of special quality plastic which resists splitting or cracking. The larger plate sizes reduce the number of plates required. The added strength of the UGF plates makes this filter most preferred by saltwater aquarists

Under Gravel Filter Dimensions:
5.5 Gallon Undergravel Filter: 8" x 16"
10 Gallon Undergravel Filter: 10" x 20"
15 / 20H Gallon Undergravel Filter: 12" x 24"
20L / 29 Gallon Undergravel Filter: 12" x 30"
40 / 55 Gallon Undergravel Filter: 12" x 48"
50 / 60 Gallon Undergravel Filter: 18" x 36"
70 / 90 Gallon Undergravel Filter: 18" x 48"
125 / 135 Gallon Undergravel Filter: 18" x 72"
lates makes this filter most preferred by saltwater aquarists

Lees Premium Under Gravel Filters clean your freshwater or saltwater aquarium through a biological filtering process that supports the growth of beneficial bacteria. This allows natural detoxification and maintains proper ammonia balance by circulating water flow through the gravel bed.

• Under Gravel Filter Circulates Water Flow Through the Gravel Bed
• Requires the use of an Air Pump - not included
• Maximize Water Quality by Using a Power Filter
• Provides Biological Filtration
• Can be used in Freshwater Aquariums and Saltwater Aquariums

Lees Premium Undergravel Filter has a multi-level plate design made of special quality plastic which resists splitting or cracking. The larger plate sizes reduce the number of plates required. The added strength of the UGF plates makes this filter most preferred by saltwater aquarists

Under Gravel Filter Dimensions:
5.5 Gallon Undergravel Filter: 8" x 16"
10 Gallon Undergravel Filter: 10" x 20"
15 / 20H Gallon Undergravel Filter: 12" x 24"
20L / 29 Gallon Undergravel Filter: 12" x 30"
40 / 55 Gallon Undergravel Filter: 12" x 48"
50 / 60 Gallon Undergravel Filter: 18" x 36"
70 / 90 Gallon Undergravel Filter: 18" x 48"
125 / 135 Gallon Undergravel Filter: 18" x 72"
lates makes this filter most preferred by saltwater aquarists

Lees Premium Under Gravel Filters clean your freshwater or saltwater aquarium through a biological filtering process that supports the growth of beneficial bacteria. This allows natural detoxification and maintains proper ammonia balance by circulating water flow through the gravel bed.

• Under Gravel Filter Circulates Water Flow Through the Gravel Bed
• Requires the use of an Air Pump - not included
• Maximize Water Quality by Using a Power Filter
• Provides Biological Filtration
• Can be used in Freshwater Aquariums and Saltwater Aquariums

Lees Premium Undergravel Filter has a multi-level plate design made of special quality plastic which resists splitting or cracking. The larger plate sizes reduce the number of plates required. The added strength of the UGF plates makes this filter most preferred by saltwater aquarists

Under Gravel Filter Dimensions:
5.5 Gallon Undergravel Filter: 8" x 16"
10 Gallon Undergravel Filter: 10" x 20"
15 / 20H Gallon Undergravel Filter: 12" x 24"
20L / 29 Gallon Undergravel Filter: 12" x 30"
40 / 55 Gallon Undergravel Filter: 12" x 48"
50 / 60 Gallon Undergravel Filter: 18" x 36"
70 / 90 Gallon Undergravel Filter: 18" x 48"
125 / 135 Gallon Undergravel Filter: 18" x 72"
lates makes this filter most preferred by saltwater aquarists

Lees Premium Under Gravel Filters clean your freshwater or saltwater aquarium through a biological filtering process that supports the growth of beneficial bacteria. This allows natural detoxification and maintains proper ammonia balance by circulating water flow through the gravel bed.

• Under Gravel Filter Circulates Water Flow Through the Gravel Bed
• Requires the use of an Air Pump - not included
• Maximize Water Quality by Using a Power Filter
• Provides Biological Filtration
• Can be used in Freshwater Aquariums and Saltwater Aquariums

Lees Premium Undergravel Filter has a multi-level plate design made of special quality plastic which resists splitting or cracking. The larger plate sizes reduce the number of plates required. The added strength of the UGF plates makes this filter most preferred by saltwater aquarists

Under Gravel Filter Dimensions:
5.5 Gallon Undergravel Filter: 8" x 16"
10 Gallon Undergravel Filter: 10" x 20"
15 / 20H Gallon Undergravel Filter: 12" x 24"
20L / 29 Gallon Undergravel Filter: 12" x 30"
40 / 55 Gallon Undergravel Filter: 12" x 48"
50 / 60 Gallon Undergravel Filter: 18" x 36"
70 / 90 Gallon Undergravel Filter: 18" x 48"
125 / 135 Gallon Undergravel Filter: 18" x 72"
lates makes this filter most preferred by saltwater aquarists

Lees Premium Under Gravel Filters clean your freshwater or saltwater aquarium through a biological filtering process that supports the growth of beneficial bacteria. This allows natural detoxification and maintains proper ammonia balance by circulating water flow through the gravel bed.

• Under Gravel Filter Circulates Water Flow Through the Gravel Bed
• Requires the use of an Air Pump - not included
• Maximize Water Quality by Using a Power Filter
• Provides Biological Filtration
• Can be used in Freshwater Aquariums and Saltwater Aquariums

Lees Premium Undergravel Filter has a multi-level plate design made of special quality plastic which resists splitting or cracking. The larger plate sizes reduce the number of plates required. The added strength of the UGF plates makes this filter most preferred by saltwater aquarists

Under Gravel Filter Dimensions:
5.5 Gallon Undergravel Filter: 8" x 16"
10 Gallon Undergravel Filter: 10" x 20"
15 / 20H Gallon Undergravel Filter: 12" x 24"
20L / 29 Gallon Undergravel Filter: 12" x 30"
40 / 55 Gallon Undergravel Filter: 12" x 48"
50 / 60 Gallon Undergravel Filter: 18" x 36"
70 / 90 Gallon Undergravel Filter: 18" x 48"
125 / 135 Gallon Undergravel Filter: 18" x 72"
lates makes this filter most preferred by saltwater aquarists

Lees Undergravel Filter is the key to providing a strong biological filtration system. Undergravel filters utilize your tanks gravel substrate as a filtering surface area while providing oxygen to help aerate your aquarium water.

• Provides biological filtration and aeration to aquarium
• Includes airline diffusers, carbon cartridges, Discard-A-Stone and fish-saver feature
• For use in fresh and saltwater aquariums

Placed on the bottom surface of the aquarium, the filter plates utilize the gravel bed as a source of surface area for bio-filtration and provide oxygen by recirculating the water down through the media and up through the uplift tubes.

The advanced design allows separate plate installation and features optional flow-thru setup, which can be used with a powerhead. Adjustable 1" uplift tubes provide superior water circulation. The filter is made of special, premium quality plastic which resists splitting and cracking.

Note: Must be attached to an air pump or powerhead (sold separately).

Lees Undergravel Filter is the key to providing a strong biological filtration system. Undergravel filters utilize your tanks gravel substrate as a filtering surface area while providing oxygen to help aerate your aquarium water.

• Provides biological filtration and aeration to aquarium
• Includes airline diffusers, carbon cartridges, Discard-A-Stone and fish-saver feature
• For use in fresh and saltwater aquariums

Placed on the bottom surface of the aquarium, the filter plates utilize the gravel bed as a source of surface area for bio-filtration and provide oxygen by recirculating the water down through the media and up through the uplift tubes.

The advanced design allows separate plate installation and features optional flow-thru setup, which can be used with a powerhead. Adjustable 1" uplift tubes provide superior water circulation. The filter is made of special, premium quality plastic which resists splitting and cracking.

Note: Must be attached to an air pump or powerhead (sold separately).

Lees Undergravel Filter is the key to providing a strong biological filtration system. Undergravel filters utilize your tanks gravel substrate as a filtering surface area while providing oxygen to help aerate your aquarium water.

• Provides biological filtration and aeration to aquarium
• Includes airline diffusers, carbon cartridges, Discard-A-Stone and fish-saver feature
• For use in fresh and saltwater aquariums

Placed on the bottom surface of the aquarium, the filter plates utilize the gravel bed as a source of surface area for bio-filtration and provide oxygen by recirculating the water down through the media and up through the uplift tubes.

The advanced design allows separate plate installation and features optional flow-thru setup, which can be used with a powerhead. Adjustable 1" uplift tubes provide superior water circulation. The filter is made of special, premium quality plastic which resists splitting and cracking.

Note: Must be attached to an air pump or powerhead (sold separately).

Lees Undergravel Filter is the key to providing a strong biological filtration system. Undergravel filters utilize your tanks gravel substrate as a filtering surface area while providing oxygen to help aerate your aquarium water.

• Provides biological filtration and aeration to aquarium
• Includes airline diffusers, carbon cartridges, Discard-A-Stone and fish-saver feature
• For use in fresh and saltwater aquariums

Placed on the bottom surface of the aquarium, the filter plates utilize the gravel bed as a source of surface area for bio-filtration and provide oxygen by recirculating the water down through the media and up through the uplift tubes.

The advanced design allows separate plate installation and features optional flow-thru setup, which can be used with a powerhead. Adjustable 1" uplift tubes provide superior water circulation. The filter is made of special, premium quality plastic which resists splitting and cracking.

Note: Must be attached to an air pump or powerhead (sold separately).

Lees Undergravel Filter is the key to providing a strong biological filtration system. Undergravel filters utilize your tanks gravel substrate as a filtering surface area while providing oxygen to help aerate your aquarium water.

• Provides biological filtration and aeration to aquarium
• Includes airline diffusers, carbon cartridges, Discard-A-Stone and fish-saver feature
• For use in fresh and saltwater aquariums

Placed on the bottom surface of the aquarium, the filter plates utilize the gravel bed as a source of surface area for bio-filtration and provide oxygen by recirculating the water down through the media and up through the uplift tubes.

The advanced design allows separate plate installation and features optional flow-thru setup, which can be used with a powerhead. Adjustable 1" uplift tubes provide superior water circulation. The filter is made of special, premium quality plastic which resists splitting and cracking.

Note: Must be attached to an air pump or powerhead (sold separately).

Lees Undergravel Filter is the key to providing a strong biological filtration system. Undergravel filters utilize your tanks gravel substrate as a filtering surface area while providing oxygen to help aerate your aquarium water.

• Provides biological filtration and aeration to aquarium
• Includes airline diffusers, carbon cartridges, Discard-A-Stone and fish-saver feature
• For use in fresh and saltwater aquariums

Placed on the bottom surface of the aquarium, the filter plates utilize the gravel bed as a source of surface area for bio-filtration and provide oxygen by recirculating the water down through the media and up through the uplift tubes.

The advanced design allows separate plate installation and features optional flow-thru setup, which can be used with a powerhead. Adjustable 1" uplift tubes provide superior water circulation. The filter is made of special, premium quality plastic which resists splitting and cracking.

Note: Must be attached to an air pump or powerhead (sold separately).

Lees Undergravel Filter is the key to providing a strong biological filtration system. Undergravel filters utilize your tanks gravel substrate as a filtering surface area while providing oxygen to help aerate your aquarium water.

• Provides biological filtration and aeration to aquarium
• Includes airline diffusers, carbon cartridges, Discard-A-Stone and fish-saver feature
• For use in fresh and saltwater aquariums

Placed on the bottom surface of the aquarium, the filter plates utilize the gravel bed as a source of surface area for bio-filtration and provide oxygen by recirculating the water down through the media and up through the uplift tubes.

The advanced design allows separate plate installation and features optional flow-thru setup, which can be used with a powerhead. Adjustable 1" uplift tubes provide superior water circulation. The filter is made of special, premium quality plastic which resists splitting and cracking.

Note: Must be attached to an air pump or powerhead (sold separately).

Lees Undergravel Filter is the key to providing a strong biological filtration system. Undergravel filters utilize your tanks gravel substrate as a filtering surface area while providing oxygen to help aerate your aquarium water.

• Provides biological filtration and aeration to aquarium
• Includes airline diffusers, carbon cartridges, Discard-A-Stone and fish-saver feature
• For use in fresh and saltwater aquariums

Placed on the bottom surface of the aquarium, the filter plates utilize the gravel bed as a source of surface area for bio-filtration and provide oxygen by recirculating the water down through the media and up through the uplift tubes.

The advanced design allows separate plate installation and features optional flow-thru setup, which can be used with a powerhead. Adjustable 1" uplift tubes provide superior water circulation. The filter is made of special, premium quality plastic which resists splitting and cracking.

Note: Must be attached to an air pump or powerhead (sold separately).

Lees Under Gravel Filter for 1 and 2 Gallon Fish Bowls allows you to maintain fish safely in a bowl or small designer aquarium for long extended periods of time. Keep your tank clean and aerated with this under gravel filter that minimizes maintenance responsibility. Refillable carbon cartridge and plant included.

• Aerates and purifies water naturally
• Includes plant and carbon cartridge
• Under gravel filter for fish bowls

Lees Under Gravel Filter for 1 and 2 Gallon Fish Bowls allows you to maintain fish safely in a bowl or small designer aquarium for long extended periods of time. Keep your tank clean and aerated with this under gravel filter that minimizes maintenance responsibility. Refillable carbon cartridge and plant included.

• Aerates and purifies water naturally
• Includes plant and carbon cartridge
• Under gravel filter for fish bowls

Lees Undergravel Filter is the key to providing a strong biological filtration system. Undergravel filters utilize your tanks gravel substrate as a filtering surface area while providing oxygen to help aerate your aquarium water.

• Provides biological filtration and aeration to aquarium
• Includes airline diffusers, carbon cartridges, Discard-A-Stone and fish-saver feature
• For use in fresh and saltwater aquariums

Placed on the bottom surface of the aquarium, the filter plates utilize the gravel bed as a source of surface area for bio-filtration and provide oxygen by recirculating the water down through the media and up through the uplift tubes.

The advanced design allows separate plate installation and features optional flow-thru setup, which can be used with a powerhead. Adjustable 1" uplift tubes provide superior water circulation. The filter is made of special, premium quality plastic which resists splitting and cracking.

Note: Must be attached to an air pump or powerhead (sold separately).

Lees Premium Under Gravel Filters clean your freshwater or saltwater aquarium through a biological filtering process that supports the growth of beneficial bacteria. This allows natural detoxification and maintains proper ammonia balance by circulating water flow through the gravel bed.

• Under Gravel Filter Circulates Water Flow Through the Gravel Bed
• Requires the use of an Air Pump - not included
• Maximize Water Quality by Using a Power Filter
• Provides Biological Filtration
• Can be used in Freshwater Aquariums and Saltwater Aquariums

Lees Premium Undergravel Filter has a multi-level plate design made of special quality plastic which resists splitting or cracking. The larger plate sizes reduce the number of plates required. The added strength of the UGF plates makes this filter most preferred by saltwater aquarists

Under Gravel Filter Dimensions:
5.5 Gallon Undergravel Filter: 8" x 16"
10 Gallon Undergravel Filter: 10" x 20"
15 / 20H Gallon Undergravel Filter: 12" x 24"
20L / 29 Gallon Undergravel Filter: 12" x 30"
40 / 55 Gallon Undergravel Filter: 12" x 48"
50 / 60 Gallon Undergravel Filter: 18" x 36"
70 / 90 Gallon Undergravel Filter: 18" x 48"
125 / 135 Gallon Undergravel Filter: 18" x 72"
lates makes this filter most preferred by saltwater aquarists