Hayward AC035 Roller Assembly (CAX-3509) prostar and the white finish gives

and the white finish gives the injector a clean appearance at the visible installation point

3-3/8 inch face-diameter twin-roto deluxe scale-style design

That makes it practical for fitment-specific service work

This version is especially useful when the installation requires a full 100 foot reach and the supported topside uses the BWG connection style

This part is especially useful when the skimmer body remains serviceable and the real weakness is concentrated at the faceplate itself

Hayward AC035 Roller Assembly (CAX-3509) prostar and the white finish givesA roller assembly helps support the moving action inside a compatible chemical feeder, and this Hayward AC035 version uses the CAX 3509 reference. Internal feeder components like this are important because they directly influence how smoothly the unit can drive and manage its dosing mechanism. This part has practical value because replacing a worn roller assembly can help restore cleaner feeder action without requiring replacement of the entire unit.