Flex-Vent® KM is a thermally insulated, fully lined, UL 181 and CUL S110 class 1 flexible air duct designed for low to medium pressure cooling and heating HVAC systems. It can be used in either supply or return sections and provides economical means for handling misalignment between systems components and ducting around obstacles where fabricated and fitted ducts are difficult and costly to use. It is equally suitable for new jobs or retrofit work and is especially useful when making system extensions or for changing conditioned zones, now or in the future.

THERMAFLEX® Flexible Duct, KM Series, Round Vent Duct, 25 ft Length, 12 in Diameter, 10 in-WC Positive, 1/2 in-WC Negative, Polyester Film and Fiberglass Insulation, Silver, -20 to 250 deg F

Note: This is a closeout item with limited stock available. Please contact your branch for availability.