GUARDMAN Aquarium & Fish Tank Foam Filter Bio Sponges, Filter Cartridge Insert, Filter Media Pad, Cut-to-Size Foam for Aquarium, Fish Tan

Bio media filter sponges trap particles and debris, provide efficient water flow with less clogging for long lasting filtration and a safe tank, aquarium, or pond environment. Traps algae, dirt, uneaten food, waste, detritus and other small floating particles. Reticulated design provides better water flow and less clogging. Our open cell design provides ample surface area on which beneficial bacteria can grow. Beneficial bacteria provide a natural filter which reduce ammonia and nitrate, improving water quality and enhancing your tank or pond's fish & plant life.

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