Evergreen Pet Supplies 4-Pack Fluval-Compatible Replacement Foam Filters – Works With 304/305/ 306/404 / 405/406 Aquarium Canister Filter Models – Equivalent To Bio-Foam A237 – By Impresa Products

Fluval (TM) Compatible: Our foam filter pack is designed for perfect compatibility with Fluval (TM) external canister filters models 304 / 305 / 306 (300 liter / 70 gallon) and 404 / 405 / 406 (400 liter / 100 gallon) Highly Effective: Our foam offers top-notch mechanical and biological filtration capturing small particles that are not picked up in the first filtration stage. The network of pores and large surface area ensure a healthy tank letting your fish and plants thrive! Highly Compatible: Our foam compatible with Fluval filters are made to exact specifications from the highest quality filtration foam. Compatible with fresh and saltwater / marine aquariums Value Pack: Our 4-pack of filter foams ensure that you are never without a replacement when you need one. No need to pay top dollar for replacement filters – our filter are ideal for your device Please note: This is an aftermarket product (produced by Impresa Products). We have no affiliation with or endorsement from any of the manufacturers mentioned