The WFP3/8-10AFW is an undersink, high-flow carbon block system. Utilizing the unique Fiberdyne carbon technology, the WFP3/8-10AFW system delivers extremely low pressure drop while maintaining a 0.5 micron efficiency for the best chlorine taste & odor reduction and the reduction of cysts. System includes the FloPlus-10 filter cartridge, Pentek 3G Slimline Housing with pressure relief button, and a Slimline Filter Housing Wrench.