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Usable in any filter;expands biological capacity of aquarium;provides the ultimate upgrade for existing filter media

Product Details
For fresh and salt water
Porous biological rings inert ceramic material

Biological filter media encourages beneficial bacteria growthBiological filtration helps remove harmful ammonia and nitriteInert ceramic cylinders for use in fresh or saltwater aquariums Economically priced ceramic cylinder inserts for your Hagen AquaClear Powerfilter. Extremely porous design supports a huge colony of beneficial bacteria. Offers biological filtration to remove ammonia and nitrite to help maintain a healthy aquatic environment. Safe for fresh or saltwater systems. Model Filter Model Aquarium Size 20/Mini Mini and 20 5 to 20 gallons 30/150 30 and 150 10 to 30 gallons 50/200 50 and 200 20 to 50 gallons 70/300 70 and 300 40 to 70 gallons 110/500 110 and 500 60 to 110 gallonsPlease click on "More Information" for use instructions and further details.

Biological filter media encourages beneficial bacteria growthBiological filtration helps remove harmful ammonia and nitriteInert ceramic cylinders for use in fresh or saltwater aquariums Economically priced ceramic cylinder inserts for your Hagen AquaClear Powerfilter. Extremely porous design supports a huge colony of beneficial bacteria. Offers biological filtration to remove ammonia and nitrite to help maintain a healthy aquatic environment. Safe for fresh or saltwater systems. Model Filter Model Aquarium Size 20/Mini Mini and 20 5 to 20 gallons 30/150 30 and 150 10 to 30 gallons 50/200 50 and 200 20 to 50 gallons 70/300 70 and 300 40 to 70 gallons 110/500 110 and 500 60 to 110 gallonsPlease click on "More Information" for use instructions and further details.

Biological filter media encourages beneficial bacteria growthBiological filtration helps remove harmful ammonia and nitriteInert ceramic cylinders for use in fresh or saltwater aquariums Economically priced ceramic cylinder inserts for your Hagen AquaClear Powerfilter. Extremely porous design supports a huge colony of beneficial bacteria. Offers biological filtration to remove ammonia and nitrite to help maintain a healthy aquatic environment. Safe for fresh or saltwater systems. Model Filter Model Aquarium Size 20/Mini Mini and 20 5 to 20 gallons 30/150 30 and 150 10 to 30 gallons 50/200 50 and 200 20 to 50 gallons 70/300 70 and 300 40 to 70 gallons 110/500 110 and 500 60 to 110 gallonsPlease click on "More Information" for use instructions and further details.

Biological filter media encourages beneficial bacteria growthBiological filtration helps remove harmful ammonia and nitriteInert ceramic cylinders for use in fresh or saltwater aquariums Economically priced ceramic cylinder inserts for your Hagen AquaClear Powerfilter. Extremely porous design supports a huge colony of beneficial bacteria. Offers biological filtration to remove ammonia and nitrite to help maintain a healthy aquatic environment. Safe for fresh or saltwater systems. Model Filter Model Aquarium Size 20/Mini Mini and 20 5 to 20 gallons 30/150 30 and 150 10 to 30 gallons 50/200 50 and 200 20 to 50 gallons 70/300 70 and 300 40 to 70 gallons 110/500 110 and 500 60 to 110 gallonsPlease click on "More Information" for use instructions and further details.

Biological filter media encourages beneficial bacteria growthBiological filtration helps remove harmful ammonia and nitriteInert ceramic cylinders for use in fresh or saltwater aquariums Economically priced ceramic cylinder inserts for your Hagen AquaClear Powerfilter. Extremely porous design supports a huge colony of beneficial bacteria. Offers biological filtration to remove ammonia and nitrite to help maintain a healthy aquatic environment. Safe for fresh or saltwater systems. Model Filter Model Aquarium Size 20/Mini Mini and 20 5 to 20 gallons 30/150 30 and 150 10 to 30 gallons 50/200 50 and 200 20 to 50 gallons 70/300 70 and 300 40 to 70 gallons 110/500 110 and 500 60 to 110 gallonsPlease click on "More Information" for use instructions and further details.

Quality power filter with built-in surface skimmer Automatically adjusts to water level for complete aquarium water circulation and filtrationThree-stage filtration for clean, clear aquarium waterBreakthrough concept in power filter design. Innovative, built-in skimmer adjusts to aquarium water level for effective removal of oily, organic film and scum from the surface. Three-level intake system extracts water from the surface, middle, and bottom for complete aquarium filtration. Includes 2 filter cartridges for efficient, mechanical, chemical, and biological filtration. For freshwater or saltwater aquariums. Model GPHAquarium Size Replacement Cartridge Dimensions 15 95Up to 15 gallonsBio3 Junior Cartridges6-1/2"L x 7-1/2"H x 4-3/4"D 25 125Up to 25 gallonsBio3 Cartridges8"L x 7-1/2"H x 5-1/4"D 35 160Up to 35 gallonsBio3 Cartridges8"L x 7-1/2"H x 5-1/4"D 55 225Up to 55 gallonsBio3 Cartridges13-1/2"L x 7-1/2"H x 5-1/4"D 75 350Up to 75 gallonsBio3 Cartridges13-1/2"L x 7-1/2"H x 5-1/4"DReplacement Impellers for Bio System Power Filter and Oxy Surface Skimmer also available.Please click on "More Information" for assembly instructions, cleaning directions, and troubleshooting tips.

Quality power filter with built-in surface skimmer Automatically adjusts to water level for complete aquarium water circulation and filtrationThree-stage filtration for clean, clear aquarium waterBreakthrough concept in power filter design. Innovative, built-in skimmer adjusts to aquarium water level for effective removal of oily, organic film and scum from the surface. Three-level intake system extracts water from the surface, middle, and bottom for complete aquarium filtration. Includes 2 filter cartridges for efficient, mechanical, chemical, and biological filtration. For freshwater or saltwater aquariums. Model GPHAquarium Size Replacement Cartridge Dimensions 15 95Up to 15 gallonsBio3 Junior Cartridges6-1/2"L x 7-1/2"H x 4-3/4"D 25 125Up to 25 gallonsBio3 Cartridges8"L x 7-1/2"H x 5-1/4"D 35 160Up to 35 gallonsBio3 Cartridges8"L x 7-1/2"H x 5-1/4"D 55 225Up to 55 gallonsBio3 Cartridges13-1/2"L x 7-1/2"H x 5-1/4"D 75 350Up to 75 gallonsBio3 Cartridges13-1/2"L x 7-1/2"H x 5-1/4"DReplacement Impellers for Bio System Power Filter and Oxy Surface Skimmer also available.Please click on "More Information" for assembly instructions, cleaning directions, and troubleshooting tips.

Quality power filter with built-in surface skimmer Automatically adjusts to water level for complete aquarium water circulation and filtrationThree-stage filtration for clean, clear aquarium waterBreakthrough concept in power filter design. Innovative, built-in skimmer adjusts to aquarium water level for effective removal of oily, organic film and scum from the surface. Three-level intake system extracts water from the surface, middle, and bottom for complete aquarium filtration. Includes 2 filter cartridges for efficient, mechanical, chemical, and biological filtration. For freshwater or saltwater aquariums. Model GPHAquarium Size Replacement Cartridge Dimensions 15 95Up to 15 gallonsBio3 Junior Cartridges6-1/2"L x 7-1/2"H x 4-3/4"D 25 125Up to 25 gallonsBio3 Cartridges8"L x 7-1/2"H x 5-1/4"D 35 160Up to 35 gallonsBio3 Cartridges8"L x 7-1/2"H x 5-1/4"D 55 225Up to 55 gallonsBio3 Cartridges13-1/2"L x 7-1/2"H x 5-1/4"D 75 350Up to 75 gallonsBio3 Cartridges13-1/2"L x 7-1/2"H x 5-1/4"DReplacement Impellers for Bio System Power Filter and Oxy Surface Skimmer also available.Please click on "More Information" for assembly instructions, cleaning directions, and troubleshooting tips.

Quality power filter with built-in surface skimmer Automatically adjusts to water level for complete aquarium water circulation and filtrationThree-stage filtration for clean, clear aquarium waterBreakthrough concept in power filter design. Innovative, built-in skimmer adjusts to aquarium water level for effective removal of oily, organic film and scum from the surface. Three-level intake system extracts water from the surface, middle, and bottom for complete aquarium filtration. Includes 2 filter cartridges for efficient, mechanical, chemical, and biological filtration. For freshwater or saltwater aquariums. Model GPHAquarium Size Replacement Cartridge Dimensions 15 95Up to 15 gallonsBio3 Junior Cartridges6-1/2"L x 7-1/2"H x 4-3/4"D 25 125Up to 25 gallonsBio3 Cartridges8"L x 7-1/2"H x 5-1/4"D 35 160Up to 35 gallonsBio3 Cartridges8"L x 7-1/2"H x 5-1/4"D 55 225Up to 55 gallonsBio3 Cartridges13-1/2"L x 7-1/2"H x 5-1/4"D 75 350Up to 75 gallonsBio3 Cartridges13-1/2"L x 7-1/2"H x 5-1/4"DReplacement Impellers for Bio System Power Filter and Oxy Surface Skimmer also available.Please click on "More Information" for assembly instructions, cleaning directions, and troubleshooting tips.