WINDMILL / UST BRAND STORMPROOF BRAND BUTANE LIGHTERS — Two Year Limited Warranty Revere Supply Co., Inc. offers a two-year limited warranty of its Windmill and UST Stormproof Lighters for mechanical defects that have not resulted from improper use of the product. Please refer to the owner's manual to determine proper operating instructions. Warranty does not apply to the outer finish; however, damage affecting the functionality of the casing is covered. Lighters with original proof of purchase date may be returned within the warranty period (2 years) at no charge. Lighters with no proof or purchase, or beyond the warranty period may be returned for repair with a check or money order for $25.