Polaris 3900 Sport Drive Sprocket Assembly (R0547500) Caretaker Retro and DE filters—boosts filter efficiency

and DE filters—boosts filter efficiency and prolongs media life

Add 5 drops R-0011L

ensuring long-lasting durability and protection against harsh pool chemicals and sunlight

RetroJet not only replaces original cleaning jets

Polaris 3900 Sport Drive Sprocket Assembly (R0547500) Caretaker Retro and DE filters—boosts filter efficiencyPolaris 3900 Sport Drive Sprocket Assembly (R0547500) The drive sprocket assembly is a replacement part made by Polaris. The same high quality materials were used to manufacture the original factory part. Making this a genuine OEM product. This drive sprocket was built to able to rotate the chain which is wrapped around the wheel sprockets Sending enough torque and power to the cleaners wheels. This gives it the ability to climb the walls of your pool