Aquarium Filter Sponge, Aquarium Filter Foam for Mechanical Filtration, Traps Large Debris & Filters Water, Cut to Fit Fish Tanks, Ponds, Turtle Tanks, Salt & Freshwater, 20x20x1 in, 20PPI

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About This Improves Water Clarity & Oxygenation - This aquarium filter foam absorbs leftover food, fish waste, and decaying plants, helping maintain clean, crystal-clear water whil e boosting oxygen levels—suitable for freshwater and marine aquariums Efficient Flow with 20 PPI Open Cell Foam - Made from 20 PPI open cell foam, this sponge filter aquarium foam enhances water circulation and reduces clogging. It balances filtration efficiency with optimal water flow—perfect for both high-flow and biological filtration setups Safe, Durable & Long-Lasting Material - Crafted from high-density, dye-free, non-toxic foam, this aquarium sponge filter resists corrosion, tearing, and deformation. Safe for all aquatic environments, including sensitive marine species Reusable & Eco-Friendly – Rinse and reuse multiple times to extend its lifespan. For best results, clean using tank water. A sustainable and cost-effective alternative to disposable filter media Cut To Fit - Sized at 20" x 20" x 1", the sponge is easy to cut to fit hang-on-back, canister, wet/dry, and DIY filter systems. It adapts to various filtration setups including pond filter pad applications Widely Compatible with Mainstream Filters - This sponge fits most mainstream and non-standard aquarium filter systems. Great for aquariums, turtle tanks, aquaponic systems, and more Dye-Free and Safe - Perfect for freshwater and saltwater aquariums, no dyes or harmful chemicals, safe for all fish, shrimp and corals. Suitable for freshwater and saltwater aquariums Vacuum Packed for Quality – Vacuum-sealed to maintain product integrity. Let the sponge fully expand in a ventilated space for 24–72 hours before use Show more