KleenWater Brand Compatible O-rings for WS03X10039, GXWH30C, GXWH35F, and GXWH40L, Set of 2 Two KleenWater replacement o-rings for G.E. 4.5 inch housings: GXWH30C, GXWH35F & GXWH40L Made from Buna N material by KleenWater