Polaris 3900 Sport / TR35P and Quattro Sport Pressure Cleaner Swivel Ball Bearing, Black | D21 Paramount Parts (4REAL) This square O-ring fits Pentair

This square O-ring fits Pentair A&A Style 1 cleaning heads and restores a proper seal for efficient in-floor cleaning operation

They are attached by two pan head screws w/ washers which lock them into the frame ensuring no movement or impediment during the cleaning process

This item should sit behind the cleaner and will connect to the wheel adapter

Saves Energy and Money

When installing this O‑ring

Polaris 3900 Sport / TR35P and Quattro Sport Pressure Cleaner Swivel Ball Bearing, Black | D21 Paramount Parts (4REAL) This square O-ring fits PentairPolaris 3900 Sport "Trade Grade" TR35P and Quattro Sport Pressure Cleaner Swivel Ball Bearing, Black (D21) The swivel ball bearing is a genuine OEM replacement part manufactured by Polaris. The same high quality materials were used to create the original factory part. This swivel ball bearing was designed to allow the cleaners feed hose and leader hose assemblies from tangling. It also allows the cleaner to turn out of corners or away from steps that