Lightweight compact carton reduces warehouse and jobsite handling cost
4 thru 12 in dia 6 in WG maximum positive pressure, 14 thru 22 in dia 4 in WG maximum positive pressure
3 thru 12 in dia 1 in WG maximum negative pressure, 14 thru 22 in dia 3/4 in WG maximum negative pressure
Maximum operating temperatures: -20 to 140 deg F continuous (at maximum pressure), -20 to 180 deg F continuous (at 2 in pos WG max), -20 to 250 deg F intermittent (at 1/2 in pos WG max)
R-Value 6
End treatment: 25 ft plain ends
Flame spread: 25 maximum
Smoke developed: 50 maximum
Metallized polyester vapor barrier with tri-directional reinforcements
Specificationsarrow_drop_down
Application: For indoor use as a supply and return air duct in residential and commercial low-to-medium pressure heating and air conditioning systems
Country of Origin: US
Domestic/Import: Domestic
Finish: Silver
Flow Rate: 5000 fpm
Inside Diameter: 20 in
Length: 25 ft
Material: Metallized Polyester Jacket
Mfg Standards/Approvals: ASTM C-518|ADC Certified|GreenGuard Certified|NFPA 90A and 90B|UMC 10-1 (ICC ES Report No. ESR-1268)|HUD|UL 181 Class 1