Pentair #320 Body Only (New Style) | In-Line Automatic Feeder | R172321 VLLS103S If your pump housing is

If your pump housing is dark gray or another color

Cam and Ramp (357150Z) is the OEM replacement plastic clamp for the WhisperFlo WF 7 pump and compatible WhisperFlo and IntelliPro VS+SVRS inground pump models

snap-adapt handle and replaceable adjustable brushes

maintaining a leak-free seal at the point where flexible hose attaches to the filter body

Fast-acting and long-lasting

Pentair #320 Body Only (New Style) | In-Line Automatic Feeder | R172321 VLLS103S If your pump housing isThe Pentair R172321 is the OEM replacement feeder body for the Model 320 In Line Automatic Chemical Feeder the main housing component that forms the structural core of the feeder assembly. The feeder body houses the chemical chamber and provides the sealed enclosure through which pool water flows and contacts the sanitizing agent. When the original body cracks, warps, or develops leaks, the feeder cannot maintain proper chemical dosing or hold