AQUANEAT Aquarium Bio Sponge Filter Media Pad Open Cell Foam Cut-to-fit Matten Filter Fish Tank Sump Divider 17.7″ x 17″ x 2″

Description

FEATURE: Dimension: 17.7″ Lx 17″W x 2″H; PPI: 40 Black Pad 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. Traps large bits of waste and provides better water flow rate 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. More pores means larger filtration capacity but with less water fl