Flexvent KP is a thermally insulated, fully lined, UL 181 Class 1flexible air duct designed for low to medium pressure cooling andheating HVAC systems. It can be used in either supply or returnsections and provides economical means for handling misalignmentbetween systems components and ducting around obstacles wherefabricated and fitted ducts are difficult and costly to use. It is equallysuitable for new jobs or retrofit work and is especially useful whenmaking system extensions or for changing conditioned zones, nowor in the future.
Compliance to NFPA Standards allows you toinstall lengths longer than the 14’ limitation applying to connectors.It is a highly efficient part of the total duct system because thesmooth liner, the ample insulation and tough outer vapor barrierprovide good airflow, thermal insulation and a double air seal.
Features and Benefits:
Underwriters Laboratories listed for the US and Canada.
Complies with NFPA Standards 90A and 90B.
Corrosion resistant steel wire helix.
Fully lined for efficient air delivery.
The outer vapor barrier is a jacket of durable black polyethylene.
Quality KP installations produce referrals that increase volume and profits.
Available in 4.2, 6.0, and 8.0 thermal application values.
Available in both box and bag packaging.
GreenGuard® Gold Certified which is the industry’s most recognized Indoor Air Quality (IAQ) rating.
Made with Owens Corning™ EcoTouch® formaldehyde-free Insulation. Made with 99% natural materials and highest recycled content. Also, it is the only fiberglass insulation listed in the USDA BioPreferred Catalog.
19 Pounds (lbs)
14 Inches (In)
16.625 Inches (In)
Country of Origin
UPC or Barcode
EPA Cert Required
16.625 Inches (In)
Greenguard, GreenGuard Children & Schools, Greener Product, CHPS Member
UL Listed - USA & CAN
NFPA 90 A and 90 B
Laminated Polyester Film
Strong Polyester Film Laminated And Encapsulating A Heavy, Corrosion Resistant Steel Wire Helix, Forms The Inner Core And Supports A Thick Blanket Of Fiberglass Insulation Over A Fiberglass Scrim. The Outer Vapor Barrier Is A Jacket Of Durable Black Polye