Mission Black Cooling Helmet Liner smokefire It can be used on

It can be used on both heating and air-conditioning ducts

Fits 301 or 401 Series Liquid Propane standard models with Honeywell gas control valves only

triangle for flat surfaces and tight corners

Plastic tubular flexible extendable slip-joint extension with nut and washer

Permanently etched graduations from 0 to 180 deg

Mission Black Cooling Helmet Liner smokefire It can be used onEnjoy staying active longer when the temperature rises. The Mission Cooling Helmet Liner keeps you cool and comfortable even under bulky helmets of all kinds. On the football field, on a bike ride, or the construction site, it stays cool for up to 2 hours at a time and reactivates with more water. Designed with a mesh crown for enhanced breathability and UPF 50 sun protection. Athlete Engineered to keep you cool when the Heat is on.