Aqueon 300/400 Canister Filter Replacement Foam Pads 2-Pack

Coarse foam pad by Aqueon made for Aqueon Quiet Flow Cannister Filter 300 (100107313) and 400(100107314). Comes with two small size pads that offer adequate surface area for beneficial bacteria while still improving water quality. Provides biological and mechanical filtration that is capable of trapping large debris. Good for freshwater and saltwater use.