Aquarium Bio Sponge Foam Filter Media Pad Cut-To-Fit For Fish Tank Sump Pond 17In X 11In X 1/2In To 1In

FEATURE: Each set has 3 foams ( 1 x Coarse 1 x Medium 1 x Fine) the combination of triple density sponges can traps both large and fine particles- working together to produce crystal clear water in your aquarium. Good for both mechanical and bio-filtration – Special egg crate design offers more surface area for filtration. Can be cut to fit and used as a pre-filter for any aquarium or pond filter sump wet/dry canister power filter etc. or your HMF DIY project. Includes: 1x coarse (Blue) 20PPI 1x medium (Green) 30PPI 1x fine (Black) 40PPI. Dimension: 17 Lx 11W x 1/2 to 1H. DIMENSION: 17 x 11 x 1/2 to 1 INCLUDES: 1x coarse (Blue) 20PPI 1x medium (Green) 30PPI 1x fine (Black) 40PPI