Hayward AC035 Roller Assembly (CAX-3509) prostar That makes it practical for

That makes it practical for fitment-specific service work

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

O-ring with 9-1/2 inch ID and 3/8 inch cross-section

the system can regain more dependable circulation

Hayward AC035 Roller Assembly (CAX-3509) prostar That makes it practical forA 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.