Waterway Power Defender Variable Speed Pool Pump 1.65HP | PD-165 Ladder & Rail Mounting Hardware This is the center O-ring

This is the center O-ring that seals the filter tank housing

Sun West Spas

The Unicel PG-1905 is a single partial DE filter grid engineered for 60 square foot DE filter systems

This cartridge features a 1-1/2" threaded (MPT) bottom fitting that screws onto a standpipe inside the filter housing

Waterway Power Defender Variable Speed Pool Pump 1.65HP | PD-165 Ladder & Rail Mounting Hardware This is the center O-ringThe innovative energy efficient and user friendly design of the Waterway PD 165 Power Defender 165 Variable Speed Pool Pump, 1. 65 HP, 115 230V saves you money and prolongs the life of your pool's filtration system Features and Benefits: Pump is pressure rated up to 50 PSI Automatically selects voltage once powered to 230V or 115V. No drop in horsepower at either voltage! High performance & ultra quite variable speed pool pump provides you with