About This

• Dimension: 23" L x 12.25"W x 2"H, PPI: 40
• 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; More pores means larger filtration capacity but with less water flow through rate and needs to be cleaned more often; It is recommended to use combination of sponge with difference PPI to get the best result