Pentair Adapter Fitting | System 3 & System:2 Modular D.E. Filters | 24900-0509Z Swim Vests It has a swivel metal

It has a swivel metal handle which allows the vac head to move freely around the pool floor

The diffuser channels pressurized water exiting the impeller into the pump's discharge port

Never use petroleum-based lubricants — they will degrade the O-ring and cause the seal to fail prematurely

You may also store your cover during off-season months

Pentair Adapter Fitting | System 3 & System:2 Modular D.E. Filters | 24900-0509Z Swim Vests It has a swivel metalThe Pentair Adapter Fitting (24900 0509Z) is the OEM replacement adapter fitting for Pentair (formerly Sta Rite) System 3 and System: 2 Modular D. E. Filters. If your filter's fitting is cracked, stripped, or leaking at the base, this is the direct replacement. IMPORTANT: MODEL DATE RESTRICTION SYSTEM: 2 PLD SERIES This fitting is confirmed for System: 2 Modular D. E. Filter models PLD50 and PLD70 manufactured prior to October 2003 only. If your PLD50