Air duct consisting of a metalized polyester film and a polyester film, encapsulating a galvanized steel wire helix, a fiberglass insulation blanket rated R4,2 and a triax fiberglass scrim reinforced black vapor barrier.

Diameter : 4 to 18 inchess
R FACTOR : R4,2
Meets c-UL-us standard :  Air duct

Complies with NFPA : 90A & 90B
GREENGUARD certification :  GREENGUARD GOLD & GREENGUARD

FID spec sheet 2016
GREENGUARD information https://spot.ulprospector.com/en/na/BuiltEnvironment
GREENGUARD CERTIFICAT 91374-410
GREENGUARD GOLD CERTIFICAT 91374-420