This Sponge Foam Pad Can be cut to fit and used as a pre-filter for any aquarium or pond filter, sump, canister, power filter etc. or your DIY project.
Good for both bio and mechanical filtration -trap large bits of waste, and will not get clogged easily.
Can be rinsed off for multiple reuses .The material has great thickness, it is durable.
You can spend more time admiring your fish, and less time scrubbing your tank.