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Remove extremely fine waste, sediment and particles from water. Help clear cloudy water. "Polishes" water to help make it crystal clear.

Fine foam pads. Filters fine particles, such as sediment and fish waste. Special open-cell design for free water flow.

Bio-Chem Stars are a biological filtration medium that provide a substrate for the optimum growth of beneficial bacteria. For fresh and saltwater aquariums.

Removes organic pollutants and stains from saltwater and freshwater aquariums. 1 qt. treats 400 gallons.

Removes organic pollutants and stains from saltwater and freshwater aquariums. 1 qt. treats 400 gallons.

Red Sea Replacement Pads for Nano Filter The Red Sea Replacement Pads for Nano Filter helps keep the water in your small aquarium crystal clear. This highly efficient filter combines mechanical, biological, and chemical filtration and works well with Red Sea Deco Art Filters. Features: · Features coarse and fine filter pad for mechanical and biological filtration · Offers great results · Durable and long lasting Item Specifications: Size: 4 pack

Great place for small fish to hide. Create a natural look by planting in bunches. Easy to maintain and economical.

4-in-1 canister filter with mechanical, chemical and biological filtration - plus UV sterilizerCompact design and built-in UV sterilizer minimize aquarium equipment clutterAdvanced, high-performance features help ensure aquarium water qualityEnhance aquarium filtration with Reaction large-capacity, 4-stage canister filters. Revolutionary canister filters boast greater media-storing capacity so aquarium water comes into contact with more filter media during the initial pass. Combined with a built-in 5W UV sterilizer, you enjoy clean, clear, and healthy aquarium water from a single, space-saving unit. Advanced, high-performance features help ensure high water quality plus quick and easy routine filter maintenance. 5/8" intake and return.Features:Large, customizable media baskets - Hold more chemical and biological media. Easy-to-remove basket trays have convenient handles for removing and loading all types of media.Integrated self-priming lever - Eliminates the need for manual siphoning. Simply pump the lever up and down to prime the Reaction 4-Stage Canister Filter.Integrated quick disconnect shut-off valve - Instantly creates a watertight seal that stops water from entering or exiting the filter. ON/OFF switch for UV lamp - Allows independent control of the UVC germicidal lamp to destroy green water and polish water to crystal clarity.Includes: Fine Filter Floss Pad(s), Coarse Filter Sponge (except EFU-25), 500 grams activated carbon, and 500 grams ceramic bio-filter rings.ModelAquarium Size up toDimensionsMedia BasketsTotal Media CapacityMax gph EFU-25100 gallons11.41" x 11.41" x 15.25" h24 Liters198 EFU-35150 gallons11.41" x 11.41" x 17.52" h36 Liters250 EFU-45175 gallons11.41" x 11.41" x 19.8" h48 Liters290Please click on "More Information" for installation instructions.

4-in-1 canister filter with mechanical, chemical and biological filtration - plus UV sterilizerCompact design and built-in UV sterilizer minimize aquarium equipment clutterAdvanced, high-performance features help ensure aquarium water qualityEnhance aquarium filtration with Reaction large-capacity, 4-stage canister filters. Revolutionary canister filters boast greater media-storing capacity so aquarium water comes into contact with more filter media during the initial pass. Combined with a built-in 5W UV sterilizer, you enjoy clean, clear, and healthy aquarium water from a single, space-saving unit. Advanced, high-performance features help ensure high water quality plus quick and easy routine filter maintenance. 5/8" intake and return.Features:Large, customizable media baskets - Hold more chemical and biological media. Easy-to-remove basket trays have convenient handles for removing and loading all types of media.Integrated self-priming lever - Eliminates the need for manual siphoning. Simply pump the lever up and down to prime the Reaction 4-Stage Canister Filter.Integrated quick disconnect shut-off valve - Instantly creates a watertight seal that stops water from entering or exiting the filter. ON/OFF switch for UV lamp - Allows independent control of the UVC germicidal lamp to destroy green water and polish water to crystal clarity.Includes: Fine Filter Floss Pad(s), Coarse Filter Sponge (except EFU-25), 500 grams activated carbon, and 500 grams ceramic bio-filter rings.ModelAquarium Size up toDimensionsMedia BasketsTotal Media CapacityMax gph EFU-25100 gallons11.41" x 11.41" x 15.25" h24 Liters198 EFU-35150 gallons11.41" x 11.41" x 17.52" h36 Liters250 EFU-45175 gallons11.41" x 11.41" x 19.8" h48 Liters290Please click on "More Information" for installation instructions.

Removes gases and odors from aquariums. Removes discoloration from water. Fits Perfect-a-Flo and Undertow Undergravel Filters.