Aquarium Pharmaceuticals FilStar Micro-Filtration Pad
Canister filter media designed to fit the FilStar XP. For ultra-fine filtration and polishing.Micro-Filtration Pad: Removes extremely fine waste, sediment, and particles from water Helps clear cloudy water "Polishes" water to help make it crystal clear Directions for use in all RENA FilStar Filters: Place pad in last filtration compartment, above all other filter media. Replace pad once a month or sooner if it becomes clogged or if filter flow diminishes.