Shop for Power Filters

Easy-to use biological filter for tropical aquarium fishAquarium filter sponge for efficient biological filtrationGreat biological filter for breeding or spawning aquariumsThese filters allow you to cultivate nitrifying bacteria for superb biological filtration. Great for fry aquariums and brine shrimp hatcheries because they prevent young fry from being trapped in the filter media. Operates silently, creating numerous minute bubbles for increased oxygen flow. Each requires an air pump and airline tubing, sold separately. Up to 25 gallons. Oxygen Plus Bio-Filter 9 measures 3-1/8" x 5-1/2" high.

Easy-to use biological filter for tropical aquarium fishAquarium filter sponge for efficient biological filtrationGreat biological filter for breeding or spawning aquariumsThese filters allow you to cultivate nitrifying bacteria for superb biological filtration. Great for fry aquariums and brine shrimp hatcheries because they prevent young fry from being trapped in the filter media. Operates silently, creating numerous minute bubbles for increased oxygen flow. Each requires an air pump and airline tubing, sold separately. Up to 25 gallons. Oxygen Plus Bio-Filter 9 measures 3-1/8" x 5-1/2" high.

Perfect for small desktop aquariums Makes water crystal clear This compact and powerful filter lets you stretch the capacity of desktop aquariums up to 5 gallons, delivering chemical, mechanical and biological filtration in a mere 3" x 3-1/2" x 5" high unit. Extremely quiet, filters 16 gph using only 4 watts. Replacement filter pads sold below.

Perfect for small desktop aquariums Makes water crystal clear This compact and powerful filter lets you stretch the capacity of desktop aquariums up to 5 gallons, delivering chemical, mechanical and biological filtration in a mere 3" x 3-1/2" x 5" high unit. Extremely quiet, filters 16 gph using only 4 watts. Replacement filter pads sold below.

Perfect for small desktop aquariums Makes water crystal clear This compact and powerful filter lets you stretch the capacity of desktop aquariums up to 5 gallons, delivering chemical, mechanical and biological filtration in a mere 3" x 3-1/2" x 5" high unit. Extremely quiet, filters 16 gph using only 4 watts. Replacement filter pads sold below.

Penguin Series aquarium power filters with patented BIO-Wheel technology New features and improved flow rates for superior filtration - BIO-Wheel now more than 50 percent largerNo-hassle 3-stage filtration keeps fresh or saltwater aquariums clean and clearEliminate toxic ammonia and nitrite on contact. Extra large BIO-Wheels provide superior biological filtration - 10 times more than other power filters. Adjustable intake system draws water from bottom AND mid-level for total water circulation and filtration. Innovative vented-hood reduces noise for quiet operation. Clear two-piece design means unobstructed view and convenient access to easy-change, longer-lasting, Rite-Size mechanical/chemical filter cartridges. Traps more debris and removes more odors, discoloration, and impurities. Models 200 and 350 feature an additional media slot for optional Media Basket(s), to customize your filtration needs. ModelAquarium SizeGPHCartridge Size10020 gal.100Rite-Size A15030 gal.150Rite-Size B20050 gal.200Rite-Size C35075 gal.350Rite-Size CClick on chart at right to purchase appropriate size replacement filter cartridge.Please click on "More Information" for installation, maintenance and troubleshooting.

Penguin Series aquarium power filters with patented BIO-Wheel technology New features and improved flow rates for superior filtration - BIO-Wheel now more than 50 percent largerNo-hassle 3-stage filtration keeps fresh or saltwater aquariums clean and clearEliminate toxic ammonia and nitrite on contact. Extra large BIO-Wheels provide superior biological filtration - 10 times more than other power filters. Adjustable intake system draws water from bottom AND mid-level for total water circulation and filtration. Innovative vented-hood reduces noise for quiet operation. Clear two-piece design means unobstructed view and convenient access to easy-change, longer-lasting, Rite-Size mechanical/chemical filter cartridges. Traps more debris and removes more odors, discoloration, and impurities. Models 200 and 350 feature an additional media slot for optional Media Basket(s), to customize your filtration needs. ModelAquarium SizeGPHCartridge Size10020 gal.100Rite-Size A15030 gal.150Rite-Size B20050 gal.200Rite-Size C35075 gal.350Rite-Size CClick on chart at right to purchase appropriate size replacement filter cartridge.Please click on "More Information" for installation, maintenance and troubleshooting.

Penguin Series aquarium power filters with patented BIO-Wheel technology New features and improved flow rates for superior filtration - BIO-Wheel now more than 50 percent largerNo-hassle 3-stage filtration keeps fresh or saltwater aquariums clean and clearEliminate toxic ammonia and nitrite on contact. Extra large BIO-Wheels provide superior biological filtration - 10 times more than other power filters. Adjustable intake system draws water from bottom AND mid-level for total water circulation and filtration. Innovative vented-hood reduces noise for quiet operation. Clear two-piece design means unobstructed view and convenient access to easy-change, longer-lasting, Rite-Size mechanical/chemical filter cartridges. Traps more debris and removes more odors, discoloration, and impurities. Models 200 and 350 feature an additional media slot for optional Media Basket(s), to customize your filtration needs. ModelAquarium SizeGPHCartridge Size10020 gal.100Rite-Size A15030 gal.150Rite-Size B20050 gal.200Rite-Size C35075 gal.350Rite-Size CClick on chart at right to purchase appropriate size replacement filter cartridge.Please click on "More Information" for installation, maintenance and troubleshooting.

Penguin Series aquarium power filters with patented BIO-Wheel technology New features and improved flow rates for superior filtration - BIO-Wheel now more than 50 percent largerNo-hassle 3-stage filtration keeps fresh or saltwater aquariums clean and clearEliminate toxic ammonia and nitrite on contact. Extra large BIO-Wheels provide superior biological filtration - 10 times more than other power filters. Adjustable intake system draws water from bottom AND mid-level for total water circulation and filtration. Innovative vented-hood reduces noise for quiet operation. Clear two-piece design means unobstructed view and convenient access to easy-change, longer-lasting, Rite-Size mechanical/chemical filter cartridges. Traps more debris and removes more odors, discoloration, and impurities. Models 200 and 350 feature an additional media slot for optional Media Basket(s), to customize your filtration needs. ModelAquarium SizeGPHCartridge Size10020 gal.100Rite-Size A15030 gal.150Rite-Size B20050 gal.200Rite-Size C35075 gal.350Rite-Size CClick on chart at right to purchase appropriate size replacement filter cartridge.Please click on "More Information" for installation, maintenance and troubleshooting.

Penguin Series aquarium power filters with patented BIO-Wheel technology New features and improved flow rates for superior filtration - BIO-Wheel now more than 50 percent largerNo-hassle 3-stage filtration keeps fresh or saltwater aquariums clean and clearEliminate toxic ammonia and nitrite on contact. Extra large BIO-Wheels provide superior biological filtration - 10 times more than other power filters. Adjustable intake system draws water from bottom AND mid-level for total water circulation and filtration. Innovative vented-hood reduces noise for quiet operation. Clear two-piece design means unobstructed view and convenient access to easy-change, longer-lasting, Rite-Size mechanical/chemical filter cartridges. Traps more debris and removes more odors, discoloration, and impurities. Models 200 and 350 feature an additional media slot for optional Media Basket(s), to customize your filtration needs. ModelAquarium SizeGPHCartridge Size10020 gal.100Rite-Size A15030 gal.150Rite-Size B20050 gal.200Rite-Size C35075 gal.350Rite-Size CClick on chart at right to purchase appropriate size replacement filter cartridge.Please click on "More Information" for installation, maintenance and troubleshooting.