The Green Clean Dual Extender Set comes with the Top Ventil and a metal adapter for use with flexible pipe or fixed capillary tube. The ventil is a re-usable valve with an optional adapter for use with the plastic extension tube or pipe. Made for recurrent use, provides a 360 revolving nozzle for precise usage. The use of the pipe increaed the action to 70cm and the use of the capillary tube increased the radius to 25cm. Also compatible with the Aerosol Air + Vacuum Air Dusting Cans: G-2016, G-2026, G-2041 and G-2051.