This is an o-ring, measuring 8 inches, designed for the Sta-Rite PKG98 and PKG99 strainer lids. It fits these models: PKGS 99/98, C53-21 and C53-21D, Optional 8 Inch Bronze or Cast Iron Commercial Trap.
This o-ring has been manufactured in accordance with OEM specifications and is designed to meet or exceed the original manufacturer specifications.