Key Features：
- The open cell sponge has a much larger inner surface area for filtration.
- 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
- This filter sponge pad can last a long time. The dense structure of our sponge filter foam pad media prevents tearing, making them easy to clean and reuse
<b>Specification:
Size: 9" Lx 9"W x 0.5"H/9" Lx 9"W x 1"H/7.5" Lx 4.7"W x 2.75"H/20" Lx20"W x 0.5"H/36" Lx 12"W x 1"H/72" Lx 12"W x 1"H
PPI: 40 PPI
Includes:
2 pieces of open cell sponges
