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

Diameter : 4 to 18 inches
R FACTOR : R4,2
Meets c-UL-us standard : Air duct
Complies with NFPA : 90A & 90B
GREENGUARD certification GREENGUARD GOLD GREENGUARD

FIAP spec sheet 
GREENGUARD information https://spot.ulprospector.com/en/na/BuiltEnvironment
GREENGUARD CERTIFICAT 92469-410
GREENGUARD GOLD CERTIFICAT 92469-420

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