Replacement Cartridges, Filters and Membranes » Carbon Block Cartridges » 20" X 4-1/2" Full-Flow (BB) Carbon Block Cartridges » Pentek 20" X 4-1/2" Big Blue Carbon Block Cartridges
The ChlorPlus carbon block cartridges help reduce sediment while providing greater chloramine performance capacities than granular carbon. They also significantly reduce the carbon fines found in many granular canisters.
* Based on manufacturer's internal testing. |