Silicone Rubber O Ring Assortment Kit, 15 Sizes, Silicone Flexible, Pieces Attributes: What Is Included: Applications Features: Useful Tips: Product Features ? Rubber Gasket Ring Size --- With 15 different metric sizes from 6mm to 20mm OD, each size is labeled and organized for easy selection. It can be used for car, air conditioner maintenance, water joint water pipe leak repair, etc. ? Wide Applications --- These o-rings are flexible, widely used in hydraulics and pneumatics sealing, pressure valves, gas compressors, reaction valves, heat exchanger, boilers, filters, and mechanical sealing. ? Enough Quantity --- This set includes 225 o-rings, conveniently stored in a clear plastic case. ? Silicone --- Made of standard silicone (VMQ), weather resistance, corrosion resistance, waterproof, deformation and wear resistance. these o-rings have a wide temperature range from -22? (-30?) to 392? (200?). ? Useful Tips --- Proper installation is essential for optimal sealing. Regularly inspect for wear and tear, and replace as needed to maintain effectiveness. 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!