Super lightweight (1/2 lb) and expandable pumper hose. Capable of stretching between 2-6ft and manually collapses back to its original shape when not in use. Enhanced flexibility allows multiple point adjustments between blower system and helmet. Durable cufflink ends stay tightly connected to helmet and pumper system, ensuring that the hose wont fall off even in the harshest of racing environments. Designed for the MAC Pumper series, but also compatible with Parker Pumper and other popular models. Pumper system and helmet are not included.