Reverse Osmosis Membrane Housing


  • Includes housing, cap & o-ring
  • Compatible with 12″ industry standard size ro membranes
  • Fits all Olympia Reverse Osmosis Systems

In stock

White RO membrane housing with 1/8″ female NPT threads for under sink reverse osmosis systems. Compatible with industry standard 12″ reverse osmosis membranes.

Cap tubing connection elbow (1/4″ OD quick connect x 1/8″ male NPT elbow) sold separately.

Housing end fits 1/4″ OD quick connect x 1/8″ male NPT elbow fittings and 1/4″ OD quick connect x 1/8″ male NPT check valve (sold separately).

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Olympia Water System products have a 30 day money-back guarantee from the date of purchase. All return shipping fees are the customer’s responsibility unless the return is due to manufacturer error or defect. For details on our Return Policy and Product Warranty please visit our Terms & Conditions and Warranty pages.


We ship to addresses within the United States (48 continental states, Alaska, Hawaii & Puerto Rico). Shipments within the 48 continental states will be shipped via UPS Ground or USPS. Shipments to Alaska, Hawaii & Puerto Rico will be shipped via USPS only. Shipping discounts are only applicable to orders with shipping addresses located in the 48 continental states of the United States. In-stock items will be shipped within 2-3 business days after your order has been placed. Please inspect shipments for damage at the time of delivery.