Master Flow 10 in. Dia x 5 ft. Length Ductwork Insulation Sleeve – R-6

Insulate your new or existing 12 in. duct pipe with this Master Flow 12 in. Helps provide consistent air temperature and reduced system condensation and noise. On new pipe installation – simply slide the sleeve over the 12 in. duct pipe as it is being installed. For existing duct pipe up to 12 in. Dia – cut the jacket length wise (insulation is pre-cut) and wrap around the pipe.