You'll force freezing, condensation, and other potential hazards to go on the defensive when you go with this pipe insulation from K-Flex USA. Made for 3/4" iron pipes, this 6 ft. nbr/pvc based elastomeric pipe insulation provides 1" of insulation. Unslit insulation makes it easy to install. This pipe insulation is GREENGUARD Certified. An approximate R-value of 6.6 leads to prime insulating power and better performance. It comes in black.