General description The Replacement Set for Polaris 360 and 380 is a durable and flexible pool cleaner belt designed for optimal performance. This 2-piece belt replacement kit is fully compatible with Polaris 360 and Polaris 380 automatic pool cleaners, replacing OEM part number 9-100-1017. Technical specifications Material: Polyurethane Includes: 2 belts (small and large) Usage Remove the old Polaris belt and replace it with the new belt. Rotate the belt slightly when worn to maximize service life. Other information Reinforced belt design for enhanced durability. Rubber outer cover provides flexibility; inner reinforcement cords resist stretching and breaking. Non-toxic and safe for use. Long service life under normal operation.