This flexible duct is made of aluminum foil. It is silver-coloured with a 25 foot length.
Technical Specs
ItemFlexible Duct
Wall Thickness0.125 in
Minimum Temperature Rating-20 Degrees F
Overall Length25 ft
Fire RatingFlame Spread: 25 Max, Smoke Developed: 50 Max
Maximum Air Speed5,000 fpm
StandardsCalifornia State Fire Marshal, City of Chicago, Dade County, Florida, cUL Listed, HUD, IMC, IRC, New York City, NFPA 90A & B, City of San Francisco, UL Listed, UMC
End TypePlain
Product TypeNon-Insulated Flexible Duct
Interior Surface TextureSmooth
System of MeasurementInch
For Nominal Duct Diameter4 in
Maximum Temperature Rating180 Degrees F
ColourSilver
Duct MaterialAluminum Foil
Maximum Pressure Rating6 in wc
Vapor Transmission0.05%
MaterialAluminum Foil
Inside Diameter4 in
FlexibilityFlexible
Maximum Continuous Length100 ft
ShapeRound
Country of OriginUnited States
(subject to change)