3M Versaflo Length-Adjusting Breathing Tube, Black

Industrial applications can require specialized gear. This adjustable breathing tube connects a compatible headtop to an air source to provide a steady flow of cool, breathable air, so you can work comfortably in harsh conditions. Designed to connect an existing Versaflo headtop to an existing Versaflo air source. Flexible helix allows the length to be adjusted to suit individual users. Capacity of up to 51 cfm provides a regular flow of air.