4-Pack Fluval Compatible Replacement Foam Filters - 304/305/306/404/405/406 - Equivalent to Bio-Foam A237
- 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!
- Made In The USA: Our foam compatible with Fluval filters are made to exact specifications from the highest quality filtration foam and are PROUDLY MADE IN THE USA. 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