O-Ring Depot 10 pk compatible for OmniFilter Newer OB1 Model Std Filter Housing

$ 18.00

  • Fit newer OB1 Whole House Filter original o-rings in color black
  • Part of OK25 package, but 10 o-rings of the one size
  • Does not fit older OB1 system with original Blue o-ring

If you have the older OB1 Whole House Filter with original color BLUE o-rings, you need a smaller o-ring. Do not buy these, look for our listing indicating Older OB-1 Whole House Filter o-rings original color blue. Part of OK4 package.