Replacement O-Rings For Robinair (18180), Six Per Pack. Robinair's No. 18180 replacement 'Quick Seal' O-Rings are perfectly sized for 1/4 inch Robinair 'Quick Seal' hoses and adapters. These o-rings quickly restore positive sealing functionality to components and are a cost effective alternative to replacing the whole hose or adapter. Set of 6. Robinair, a Bosch Automotive Service Solutions brand, is a global leader in service tools and equipment based in Owatonna, Minnesota. Robinair is recognized throughout the world as the quality and performance leader in AC/R evacuation tools and this position has led to its success with the full range of products that serve the heating/ventilating/air conditioning/refrigeration (HVAC-R) and mobile markets. Product Features Robinair 'Quick Seal' O-Rings Sized for 1/4 inch Robinair 'Quick Seal' hoses and adapters Quickly restores positive sealing functionality to components Cost effective alternative to replacing the whole hose or adapter Set of 6 Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!