Air duct consisting of two acoustically perforated laminates encapsulating a steel wire helix, a fiberglass insulation blanket rated R4,2 and a triax fiberglass scrim reinforced black polyester vapor barrier.

Diameter : 4 to 16 inches
R FACTOR : R4,2
Meets c-UL-us standard : Air duct
Complies with NFPA : 90A & 90B
GREENGUARD certification GREENGUARD GOLD GREENGUARD

FIAC spec sheet
GREENGUARD information https://spot.ulprospector.com/en/na/BuiltEnvironment
GREENGUARD CERTIFICAT 91376-410
GREENGUARD GOLD CERTIFICAT 91376-420

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