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G-Km Thermaflex Flexible Hvac Duct - 7 Inch Diameter R4.2
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G-Km Thermaflex Flexible Hvac Duct - 7 Inch Diameter R4.2

Item #: WBB35732

Usually ships in 7 to 10 days Estimated lead times do not include weekends or holidays. Transit time is determined by shipping method and destination. Orders requiring credit information might take additional time.

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Price: $58.95
Product Information
Customer Review
Product Q&A
Highly efficient, Thermaflex G-KM spiral ducts are premium air vessels for low, medium pressure heating and cooling systems.

These acoustically rated, HVAC ducts eliminate noise and feature a core that easily expands over fitting. The core is bonded to a steel wire coil to support the thick fiberglass insulation blanket. These air ducts feature a heavy duty polyethylene vapor barrier that provides even airflow and a double air seal. They are self-extinguishing and wonÂ’t support flames. Temperature range is from -20F to 250F and -20F to 250F intermittent. Ducts have a 3-20" diameter. Greenguard certified. 10 Year Limited Warranty.

Product Specifications

    • BRANDThermaflex
    • DIAMETER INCHES7 (17.78 cm)
    • LENGTH FEET25 (7.62 m)
    • COLORBlack
    • VELOCITY FEET PER MINUTE5000 (1524 m)
    • TYPEG-KM R4.2
    • MANUFACTURER'S PART NUMBER0545-0700-0001-10

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