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

Dimension: 11 Lx 10.25W x 2H, PPI: 40 black fine The open cell sponge has a much larger inner surface area for filtration capacity. This filter pad 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. The reticulated structure also provides better flow rate of water and less chance of clog. The size of pores is measure in pores per inch (PPI). The sponge with higher PPI has more pores in it.

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 ( 23 Lx 12.25 W

Shunting Filter Foam Sponges,Filter Media Pad,Filter Sponge, Cut-to-Size Foam for Aquarium Fish Tank 19.6x19.6x0.7925PPI

Dimension: 11 Lx 10.25W x 2H, PPI: 40 black fine The open cell sponge has a much larger inner surface area for filtration capacity. This filter pad 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. The reticulated structure also provides better flow rate of water and less chance of clog. The size of pores is measure in pores per inch (PPI). The sponge with higher PPI has more pores in it.

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

The open cell sponge has a much larger inner surface area for filtration capacity This filter pad can be cut to fit and used as a pre-filter for any

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

AFA Aquarium Filter Media Sponge Pad, Fish Tank Bio Open Cell Coarse Foam Block Foam Pre Filter Sponge Material (12 x 72 x 1 30ppi) : Pet Supplies

AQUANEAT Aquarium Bio Sponge Filter Media Pad 36 x 12 x 1 / 72 x 12 x 1 Open Cell Foam Sheet Cut-to-Fit for Fish Tank Sump (36 x 12 x 1)

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)

AQUANEAT Aquarium Filter Sponge Open Cell Foam Sheet Algeria

Perfect Fit: Sized at 9 x 9 x 1 (2 pcs), these filter pads are designed for convenience, providing a suitable thickness for easy cutting to fit

GUARDMAN Filter Foam Sponges, Bio Sponge Filter Media Pad Cut-to-Size Foam for Aquarium Fish Tank Pond Filter Open Cell Foam Sheet Filter Cartridge