ViaAqua Aquarium Filter Sponge Open Cell Foam Sheet Bio Sponge Filter Media Pad HMF Fish Tank Sump Divider 12 x 12 x 2 (Blue, 20PPI)

Provides both mechanical and biological filtration. 20PPI Filter Sponge traps large debris efficiently, and can be used again after cleaning.

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 LX 10.25 W x 2 H, Blue)

M&YQ Aquarium Filter Sponge Open Cell Foam Sheet Bio Sponge Filter Media Pad

ViaAqua Aquarium Filter Sponge Open Cell Foam Sheet Bio Sponge Filter Media Pad HMF Fish Tank Sump Divider 12 x 12 x 2 (Blue, 20PPI) : Pet Supplies

Aquarium Filter Media Foam Pad 19.7x7.5x1.5 inch, Cut-to-Fit Sponge Filter Foam Sheet for Aquarium Fish Tank Pond Reef Canister

3 Pieces Aquarium Sponge Filter Bio Sponge Filter Egypt

Provides both mechanical and biological filtration. 20PPI Filter Sponge traps large debris efficiently, and can be used again after cleaning.

ViaAqua Aquarium Filter Sponge Open Cell Foam Sheet Bio Sponge Filter Media Pad HMF Fish Tank Sump Divider 12 x 12 x 2 (Blue, 20PPI)

Wave Point Aquarium Filter Sponge, Biological and Mechanical Aquarium Filter Media Sponge Pad, Open Cell Foam Sheet Cut-to-Fit for Fish Tank Sump, Pre-Filter Sponge (12 x 36 x 1, 20

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

Provides both mechanical and biological filtration. 20PPI Filter Sponge traps large debris efficiently, and can be used again after cleaning. Eliminate toxic compounds and improve water quality. Works great in Pond skimmers, waterfalls, aquariums and all filters. DIMENSION: 12 L x 12 W x 2 Thick approx. Aquarium Pond Coarse Filter Sponge, DIMENSION: 12 L x 12 W x 2 Thick approx.

ViaAqua Aquarium Filter Sponge Open Cell Foam Sheet Bio Sponge Filter Media Pad HMF Fish Tank Sump Divider 12 x 12 x 2 (Blue, 20ppi)

Dimension: 23.6 Lx 17W x 2H; PPI: 40 Black Pad Offers more surface area for filtration. Can be cut to fit and used as a pre-filter for any aquarium

ViaAqua Aquarium Bio Sponge Filter Media Pad Open Cell Foam Cut-to-fit Matten Filter Fish Tank Sump Divider 23.6 x 17 x 2

ViaAqua Aquarium Bio Sponge Filter Media Pad Open Cell Foam Cut-to-fit Matten Filter Fish Tank Sump Divider 23.6 x 17 x 2 : Pet Supplies

Key Features： Dimension: 23 Lx 12.25W x 2H The open cell sponge has a much larger inner surface area for filtration capacity. This filter pad can

Wave Point Aquarium Filter Sponge Open Cell Foam Sheet Bio Sponge Filter Media Pad HMF Fish Tank Sump Divider 23 x 12.25 x 2 (Blue 20PPI (1pc))

Viaaqua Aquarium Filter Sponge Open Cell Foam Sheet Bio Sponge Filter Media Pad