TOM Replacement Filter Media for Rapids Mini Canister Filter (TM1300), Two-Pack Replacement filter media for TOM Rapids Mini Canister Filter (model TM1300) Poly-fiber filter media removes fish waste Purifies the aquarium's water with premium activated carbon Comes as a 2-pack If we can be of any help please do not hesitate to contact us at customercare@kollerproducts.com, we'll take good care of you