Pentair O-Ring, Front Housing | Challenger High Flow | 355329Z Chlorine Neutralizers This set supplies all eight

This set supplies all eight grids — in the exact configuration your filter requires — so you can perform a full filter re-grid in a single service call

If possible

Add Pepper directly in front of jet or broadcast over the pool surface with pump running

When your Hot Springs

This product is designed for use in properly balanced pool water

Pentair O-Ring, Front Housing | Challenger High Flow | 355329Z Chlorine Neutralizers This set supplies all eightThe Pentair Front Housing O Ring (355329Z) is the OEM replacement sealing O ring for the Challenger High Flow pump series, preventing water from bypassing the joint between the front housing and the pump body. IMPORTANT: LUBRICATION REQUIRED SOLD SEPARATELY Always lubricate this O ring with a silicone based lubricant before installation. We carry the Pentair R172351 Lifeguard Silicone Lubricant the OEM matched product for Pentair equipment. This O