0-RING FOR BIG BLUE HOUSINGS 10" or 20" HOUSINGS

This O-ring is used for Big Blue/Heavy Duty Housings by Culligan; Ametek; Pentek; US Filter; Plymout
O-ring is 5 3/4" in diameter and can be used in place of the OR-100 by Culligan. Buna-N FDA grade o-
This O-Ring is used in all Big Blue housings by Pentek with 1" and 1 1/2" Inner / Outer Diameters; E
This O-Ring replaces the W10-ORing
An O-Ring is very important part of your water filter system, and it should be maintained and replac