Super TM High Heat Truckmount Vacuum Hose - CommercialVacuum.com This is the hose designed to run with the superheat - super suckers in the middle of a hot summer day. Smooth free-flowing inside bore allows high CFM. Strong, and durable, won't collapse using high heat and high vacuum situations. Effective with constant working solutions up to 240 degrees F. at the truck. Available in 2".