12x Aquarium Foam Filters Pads for API Rena Filstar XP1 XP2 XP3 XP4 XPS XPM XPL
Compatible with Filstar XP Filters;. Foam Pad should be cleaned monthly and replaced every 3 months. Rinse foam thoroughly before inserting into filter. Foam inserts should be rinsed using water from the aquarium.