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.
Ready-to-use 8 oz nylon mesh carbon filter bags
Convenient, no fuss, disposable filter carbon
Removes harmful chemicals, toxins, odors and discolorations
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.

For use in:
Penn Plax Cascade Canister Filters
Eheim ECCO
Eheim Pro and Pro II
AquaClear 500
Filstar Canisters