5 years from the date of production. The production date is engraved on the body side of the product.
https://butaneindustrial.com/wp-content/uploads/2021/07/Butane.png00SaTajdarihttps://butaneindustrial.com/wp-content/uploads/2021/07/Butane.pngSaTajdari2022-08-28 09:16:002022-08-29 04:48:11How many years of warranty do BIG TRs have?