Description Features Product Specs. Medium weight clear co-extruded PVC hose with a rigid black external PVC helix. Ultra smooth interior wall assures efficient airflow Very flexible & crush resistant Spiral co-extruded engineered construction Helix acts as a wearstrip Wall Thickness = .020" (.75"), .022" (1"), .024" (1.25"), .026" (1.5" to 2"), .030” (2.5" to 3”), .032" (4"), .035” (5" to 8”), .040” (9” to 12”) OEM lengths & colors available Available in a flame retardant version (Flex-Tube PV-FR) Cuffs available Product Specs Line Flex-Tube Material PVC Inside Diameter Min: 0.75" Max: 12" Temperature Low: 20° High: 160° Length 12', 25' (available in 100' lengths up to 6") Product Datasheet Download Datasheet