Due to the variety and nature of the products we sell, our return policy is specific to the product line. In general, new, unused items in their original packaging may be returned for 30 days after date of purchase. All items are warrantied for one (1) year from date of purchase. Special order items are addressed on an ad hoc basis. Feel free to email customerservice@compressedgasvalve.com with any questions, comments or concerns.