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2 pack O-ring for Big Blue Water Filter Housing 10" or 20"

Product Availability: In stock

(31% Discount)

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  • Fits most Big Blue Heavy duty housing like Pentek, Culligan, Ametek, US Filter, Hydronix and other bands
  • Please double check the diameter against your used o-ring before ordering


  • FDA grade
  • Inside diameter 5 5/8"
  • 0.196" or 5mm thickness


The rubber O-ring provides the water-tight seal between the cap and the bottom of the housing.

It is important that the O-ring be lubricated with petroleum jelly and properly seated in the groove below the threads of the housing or a water leak could occur

Package Content

  • 2 piece of O-ring with Inside Diameter of 5 5/8"

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