Life happens. If your tube has failed or you're just looking for a backup (just in case) you're in the right place. The GoSun Sport or Sport-E solar vacuum tube comes packed in a padded box with installation instructions included. If your tube has failed within the first year of purchase, you may qualify for a free replacement. If you purchased your stove outside of GoSun.co, please first register your product here . Once submited, please submit a warranty claim . Please note that this is a replacement product and will arrive with the bracket assembly pre-attached.