1/4″ Tubing (per foot)


  • Polyethylene Tubing for Reverse Osmosis Systems
  • 1/4″ O.D. x 0.142″ I.D.
  • Food Grade Tubing

1/4″ reverse osmosis system tubing is available in 4 different colors (white, yellow, black and blue). For Olympia RO systems, the tubing is color coordinated with the quick connect fitting caps. White to the water supply, Yellow to the tank, Black to the drain and Blue to the faucet. NOTE: Tubing pricing is per foot. Please enter the quantity you need in feet (example: QTY 12 = 12 feet of tubing).

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30 Day Money-Back Guarantee

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.