Tetra BIOBAG LG 3 PK

Whisper Bio Bag Cartridge Whisper 3 Pack Pre-Assembled Biobag Keeps Water Crystal Clear Removes Odors and Discoloration Fits Whisper Power Filters 20I, 40I, C, 20, 30, 40, and 60 Formerly Known As Regular Mesh Catches Debris and Fish Waste Ingredients: Ultra activated carbon, filter bag, plastic.