Replacement O-Rings for ROES-50 3.5 Reverse Osmosis Water Filter Housings

The O-RING-SET contains 3 pieces of 3.5 in. O.D. standard industry size O-RING, which are used to prevent leaks when customers need to change 3 pre-filters of a 10 in. standard under sink reverse osmosis system. It is recommended to change all O-RINGS once the housing is opened. The O-RINGS should be lubricated with clean lubricant and placed in the grooves below the thread to prevent water leaks.

APEC Water Systems does not distribute or sell their products to any 3rd party sellers on Amazon. Customers are advised to purchase genuine APEC Water system products in "new" condition from Amazon.Com or directly from APEC Water to ensure authenticity. The manufacturer's warranty may not apply in all cases, depending on factors such as the use of the product, where the product was purchased, or from whom the product was purchased. Customers are advised to review the warranty carefully and contact APEC Water if they have any questions.

IMPORTANT: A set of 3 o-rings for standard filter housings of APEC ESSENCE reverse osmosis systems purchased BEFORE JUNE, 2013 and ULTIMATE reverse osmosis systems purchased before MAY, 2015 are included. These o-rings have a diameter of 3.5" OD, are lightweight, easy to install and unload, and are manufactured using NSF-compliant materials.

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