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.

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

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

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)

Aquatic Experts Aquarium Filter Sponge - SpongeFirst - Biological and Mechanical Aquarium Sponge Filter Pad for Clear Water, (12 x 36 40ppi) : Pet Supplies

Dimension: 23 Lx 12.25W x 2H, PPI: 20 blue coarse The open cell sponge has a much larger inner surface area for filtration capacity. This filter

AQUANEAT Aquarium Filter Sponge Open Cell Foam Sheet Bio Sponge Filter Media Pad HMF Fish Tank Sump Divider (23 Lx 12.25 W x 2 H, Blue)

AQUANEAT Aquarium Bio Sponge Filter Media Pad 36 x 12 x 1 / 72 x 12 x

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)

Can be cut to fit your filters The activated carbon filter pad replaces loose carbon in your aquarium. Removes odor, colors, organic pollutants to keep water crystal clear Suitable for seawater tank, fresh water tank, water tank, fish pond, fish tank bottom tank or drip filter box.

Cut to Fit Activated Carbon Media Pad Pre Filter, Sponge Filter Carbon for Aquarium Fish Tank Pond Reef Canister (36 x 12 x 0.4 inch 1pcs)

Dimension: 7.5 Lx 4.7W x 2.75H PPI:40. Includes 2 pieces of open cell sponges The open cell sponge has a much larger inner surface area for

AQUANEAT 2 Pack Aquarium Bio Sponge Filter Media Pad Cut-to-Size Open Cell Foam Sheet for Fish Tank Sump (7.5 x 4.7 x 2.75)

AQUANEAT Aquarium Bio Sponge Sheet Filter Media Pad Open Cell Foam Cut-to-fit Matten Filter Fish Tank Sump Divider 23.6 (Fine) : : Pet Supplies

AFACYGN 4 Pack Aquarium Filter Media Bio Sponge Pad 16 x 12 x 1 inch, Fish Pond Foam Filter 20/30/40 PPI (Blue 20ppi 4pack) : Pet Supplies

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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

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