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Non-Insulated heating & A/C Duct. Flame
retardant vinyl coated fiberglass fabric each side. Permanent
bonded spring steel wire helix. Close pitch for excellent bend
radius. Operating temperatures -25° to +200°F (-32° to +93°C).
Meets UL 181, NFPA 90A and 90B.
2 YEAR WARRANTY
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3" to 8"
76mm to 203mm |
Black
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25' (7.6m) Lengths Boxed |
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Thermo-efficient insulated Heating & A/C
Duct. Black CPE Core (bonded to coated wire helix) easily
expands over fittings & supports thick blanket of fiberglass
insulation. #470 has tough polyethylene cover for Double Air
Seal. #471 has fiberglass reinforced metalized cover. Rated
R-4.2. Operating temperatures -20° to +250°F (-29° to +121°C).
Meets UL 181, NFPA 90A and 90B.
2 YEAR WARRANTY
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3" to 8"
76mm to 203mm |
Black
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25' (7.6m) Lengths Boxed |
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