ANTOBLE 6 Pack Foam Filter Media Replacement Sponges for Fluval 304 305 306 404 405 406 Aquarium Canister Filter Models (Equivalent to Bio-Foam A237)

【COMPATIBILITY】These foam filter pads are designed for Fluval 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 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!

【CORRUGATED DESIGN】The numerous grooves maximize the surface area, It can capture small particles not retained in the first stage of foam filtration.

【6 VALUE PACK】Our 6-pack bio foam filters can fully meet your replacement needs, eliminating the trouble of finding a replacement, so that you can get a perfect and comfortable experience at the right price.

【AFTER-SALE SUPPORT】If you have any questions or concerns about this filter media, please do not hesitate to contact us. We will do our best to provide you with a satisfactory shopping experience.