This is an o-ring replacement designed for Sta-Rite DE filter tanks size 18 inches. This item is identical to: O-87, Muskin 0373410, Pentair/American 53002800Z, Premier 23671, 27671, Sta-Rite U9-145, Swimrite 28828671 Wet 32050715.
This o-ring has been manufactured in accordance with OEM specifications and is designed to meet or exceed the original manufacturer specifications.
