Check the listing for details. Power Pressure Washer O-Rings for 1/4" Quick Coupler, EPDM (10 pack). Condition: New. Listed at 11.79 USD. Captain O-Ring - Power Pressure Washer O-Rings for 1/4" Quick Coupler, EPDM (10 pack) Product Features: EPDM Rubber is compatible with many chemicals and cleaners Tear and abrasion resistant Compatible with temperatures up to 300F (for higher temperatures, check out our Viton o-rings) Comes in a package with 10 o-rings Manufactured and warrantied by Captain O-Ring LLC Captain O-Ring's EPDM o-rings are ideal for replacing worn or damaged o-rings in your power washer or quick coupler. EPDM rubber is resistant to many chemicals and cleaners and offers excellent tear and abrasion resistance while forming a perfect seal every time. Note: These o-rings are designed for 1/4" Quick Couplers found on pressure washers. The o-ring inner diameter is 3/8". What to expect: This item includes ten (10) o-rings in a resealable zip-top poly bag with "Captain O-Ring" branded packaging. 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.