Pentek - 20" Big Blue Filter Housing - Blue Cap / Clear Sump - 1" NPT Sensafe (486900-W) eXact LEADQuick Photometer Lead & Mercury Water Tests (50) The oversized orifice design minimizes

The oversized orifice design minimizes pressure drop and maintains consistent flow rates in low-demand applications

This genuine Fleck part restores proper piston function in regeneration and service cycles

Remove strip and shake once to remove excess water

Best Use Cases

Use upflow at 8-12 gpm per square foot of bed area for 10-15 minutes

Pentek - 20" Big Blue Filter Housing - Blue Cap / Clear Sump - 1" NPT Sensafe (486900-W) eXact LEADQuick Photometer Lead & Mercury Water Tests (50) The oversized orifice design minimizesPentek Big Blue 20" Big Blue Filter Housing Blue Cap Clear Sump 1" NPT High flow polypropylene housing engineered for heavy duty sediment and large capacity filtration applications 1" NPT Ports 4. 5" Cartridge Diameter 90 PSI Max Clear Sump The Pentek 20" Big Blue housing delivers the cartridge capacity and flow rates needed for whole house, commercial, and industrial filtration without multiplying vessel counts. The 1" NPT threaded ports and clear