Penn-Plax Cascade Canister Filter Replacement Pro-Carb Activated Carbon 2-Pack (CCF233)

Replacement Pro-Carb 2-Pack (CCF235) for all Penn-Plax Cascade Canister Filters. Contains Carbon in a nylon mesh filter bag. The Pro-Carb can also be used in Eheim, Fluval, FilStar, AquaClear and other filters. Each of the two packs is 8 oz.