Wohler 3337 Viper XXL Cleaning System with Viper Cage, GRP Rod, Starholder, Brushes not Included is perfect for cleaning large chimneys, ducts and pipe works. The Viper-XXL provides a sturdy, stable for larger jobs that a normal drum reel couldn't handle without difficulty. Additionally, a wide assortment of brush attachments are available to further help the user on the job. This model is made of a central fiberglass core with a plastic, protective cover. They are available in different lengths and strengths to provide the user with the right combination of flexibility and length to cover broad cleaning applications. The Viper can be combined with a camera trolley with camera head, which can be installed and pushed for pipe inspection. It can also be combined with various line stars and threaded brushes for pipe cleaning.