Cascade Canister 500 Pro-Carb Filt-A-Pack

Cascade Pro-Carb Filt-A-Packs are ready-to-use nylon mesh filter bag replacements for Cascade Canister Filters. These convenient, no fuss, disposable filter packs are filled with laboratory-quality activated carbon crystals for superior chemical filtration. Carbon filters remove harmful chemicals, toxins, odors, discolorations, and other contaminants to keep your aquarium water crystal clear. Replacement is easy and takes just seconds. Replace once a month for optimal filter performance.Suitable for use in: Penn Plax Cascade Canister Filters Eheim ECCO Eheim Pro and Pro II AquaClear 500 Filstar Canisters