If you have new or existing hard pipe that needs insulation, the Quietflex® insulated sleeve is ideal. It increases the efficiency of warm or cool air traveling through the duct and reduces condensation build-up at the same time.
Quietflex® Insulated Sleeve, R-Value: R6, 18 in Diameter, 5 ft Length, Metallic Polyester, Silver, -20 to 180 deg F
Quietflex®