Water Softener O-Ring Seal 7337597 (7311127, Ws03X10072, V3105) For, 4 Pack Product Details The 7337597 (also called 7311127 or WS03X10072) water softener o-ring is compatible with water softener units produced by Sears, Kenmore, NorthStar, GE, and Ecowater. Use this o-ring if your product manual calls for part number 7337597, 7311127, or WS03X10072. What to expect: Manufactured and warrantied against defect for one year by Captain O-Ring LLC. "Captain O-Ring" is a registered trademark of Captain O-Ring LLC. (4 Pack) 7337597 O-Ring Seal for Bypass Valve on many EcoPure, GE, Sears, and Northstar Water Systems Contains 4 O-Rings - Part #:7337597 (Also called 7311127 or WS03X10072). These o-rings measure approximately 1-1/6" inside diameter x 0.14" thick (just over 1/8"). Easily repair your leaking bypass valve with the quick fix of an o-ring replacement Manufactured and Warrantied by Captain O-Ring LLC Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.