Aladdin O-283 O-Ring is a replacement lid and cap O-ring used on Pentair and Rainbow chemical feeder applications, including 300, 302, and 320 series units. It is also used on some Pentair and Sta-Rite bulkhead and filter applications, making it a common service seal for chlorinator and filter maintenance. It’s a multi-use O-ring with a 3.8 inch inside diameter and 0.25 inch thickness.
Key Features:Rainbow 300 series fit |Pentair feeder seal |3.8 inch |0.25 inch thickness
