Shunting Filter Foam Sponges,filter Media Pad,Filter Sponge, Cut-to-Size Foam for Aquarium Fish Tank 196x196x157(50ppi)

BILLIOTEAM 2 Pack Filter Foam Sponges,7.5 x 4.7 x 2.75,Aquarium Cut-to-Size Sponge Filter Media Foam Pad Sheet for for Aquarium Fish Tank Pond Sump Divider : Pet Supplies

Filter Foam Sponges, Bio Sponge Filter Media Pad, Cut-to-Size Foam for Aquarium Fish Tank, Black

This sponge can be cut to fit and used as a pre-filter for all types of aquarium or pond filter. It offers large surface area for both mechanical and biological filtration. Dimensions: 17.7x 17.7x 1.8 It traps large bits of waste and provides good water flow rate and will not clog easily. Fine sponge. 30 PPI A important component to maintain a clean and healthy aquatic environment.

Aquacity Bio Sponge Filter Media Pad 23 Cut-to-Fit Foam for Aquarium Fish Pond Reef Canister Tank (23.6 L x 17.7 W x 1.8 H)

CORISRX Best of Your Lifestyle Aquarium Sponge Filter Foam 11.8x4.7x2.36 - Water Media Pads

SHUNTING Filter Foam Sponges,Filter Media Pad,Filter Sponge, Cut-to-Size Foam(4 Pack) for Aquarium Fish Tank 9.8x9.8x1 (40ppi, Black) : Pet Supplies

Tondiamo 3 Pieces Aquarium Sponge Filter Sponge Filter Pad Cut to Fit Foam for Aquarium Fish Tank Open Cell Foam Sheet Filter Foam Sponges : Pet Supplies

AQUANEAT Aquarium Filter Sponge Open Cell Foam Sheet Bio Sponge Filter Media Pad HMF Fish Tank Sump Divider 11 x 10.25 x 2/ 23 x 12.25 x 2 (11 Lx

Large size 19.6x19.6x1.57 filter pads are available to be cut to fit your filter for any aquarium or pond filter.Use the volume calculation formula

SHUNTING Filter Foam Sponges,Filter Media Pad,Filter Sponge, Cut-to-Size Foam for Aquarium Fish Tank 19.6x19.6x1.57(25PPI*1Pc)

Coarse Bio Sponge Filter Media Pad Cut-to-fit Foam 18x18x2 Aquarium Fish Tank