If you are not satisfied with your Sparkling Water Maker for any reason, you may return it, postmarked within 30 days of date of purchase (please keep your dated receipts) for a full refund of the total cost of the merchandise you ordered, plus any applicable sales tax. (Sodastream does not refund initial or return shipping charges.) Sparkling Water Makers purchased as holiday gifts between November 1 and December 31 may be returned through January 31. Our sparkling drink mixes, carbonating bottles, CO2 cylinders and accessories cannot be returned or exchanged if purchased from sodastream.com. If you wish to make a return, please contact our customer service team at (800) 763-2258.