![4-Pack Fluval-Compatible Replacement Foam Filters - 304/305/306/404/405/406 - Equivalent to Bio-Foam A237 – Impresa Products 4-Pack Fluval-Compatible Replacement Foam Filters - 304/305/306/404/405/406 - Equivalent to Bio-Foam A237 – Impresa Products](https://impresaproducts.com/cdn/shop/products/fluval_1.jpg?v=1630009898)
4-Pack Fluval-Compatible Replacement Foam Filters - 304/305/306/404/405/406 - Equivalent to Bio-Foam A237 – Impresa Products
![Amazon.com : Fluval 106/107 Bio-Foam, Replacement Aquarium Filter Media, 2-Pack, A220 : Aquarium Filter Accessories : Pet Supplies Amazon.com : Fluval 106/107 Bio-Foam, Replacement Aquarium Filter Media, 2-Pack, A220 : Aquarium Filter Accessories : Pet Supplies](https://m.media-amazon.com/images/I/81bDOhM8IdL.jpg)
Amazon.com : Fluval 106/107 Bio-Foam, Replacement Aquarium Filter Media, 2-Pack, A220 : Aquarium Filter Accessories : Pet Supplies
![Amazon.com : Aquapapa Bio Sponge Filter Media Pad 23" Cut-to-fit Foam for Aquarium Fish Pond Reef Canister Tank : Pet Supplies Amazon.com : Aquapapa Bio Sponge Filter Media Pad 23" Cut-to-fit Foam for Aquarium Fish Pond Reef Canister Tank : Pet Supplies](https://m.media-amazon.com/images/I/61q9hZBwGfL.jpg)
Amazon.com : Aquapapa Bio Sponge Filter Media Pad 23" Cut-to-fit Foam for Aquarium Fish Pond Reef Canister Tank : Pet Supplies
![Buy 15 Ppi 20 Ppi 25 Ppi Polyurethane Open Cell Reticulated Bio Foam Sponge Filter from Pingxiang Guangyu Import And Export Trade Co., Ltd., China | Tradewheel.com Buy 15 Ppi 20 Ppi 25 Ppi Polyurethane Open Cell Reticulated Bio Foam Sponge Filter from Pingxiang Guangyu Import And Export Trade Co., Ltd., China | Tradewheel.com](https://img2.tradewheel.com/uploads/images/products/6/7/15-ppi-20-ppi-25-ppi-polyurethane-open-cell-reticulated-bio-foam-sponge-filter1-0755254001627046604.jpg.webp)