White Aquarium Filter Pad Dual-Density Sponge

OverviewWhite filtration foam aquarium filter pad provides prefilter media for freshwater and saltwater tanks. The top layer's open fiber construction traps larger particles, while the bottom layer's dense fiber mesh traps finer particles. This filter pad is safe for all fish and aquatic life and is made without dyes.Features Material: Cotton Color: White Dimensions: 12 × 100 cm, 20 × 100 cm, 30 × 100 cm; Thickness 2 cm Applications: prefilter for wet/dry filters, sumps, canister filters, aquapo