DynAir
DynAir 307904 Opened Flexible Duct Connector, 2 x 3 x 2 in, Black, 28 ga
DynAir

DynAir 307904 Opened Flexible Duct Connector, 2 x 3 x 2 in, Black, 28 ga

BrandDynAir
MFR Part No307904
TSCO Part Number391037

Features

  • Polyvinyl chloride coating polyester scrip fabric
  • Made with G-90 galvanized steel (thicker galvanized coated steel for extended product life)
  • Double fold offset Seamâ„¢ is carefully pressure controlled during manufacturing
  • The Offset Seam acts as a structural stabilizer, adding rigidity while eliminating the need for added 90 degree used in some shops
  • Offset Seams protect fabrics during folding/rolling, adds structural stiffness, yet cuts and works easily and is precisely perforated
  • Offers superior holding power and tear resistance
  • Provides the correct fabric and metal gauge for every application
  • Low cost
  • Leak proof
  • Wide temperature range
  • Good abrasion resistance
  • Resistant to moisture and mildew
  • Used in heating and cooling applications
  • Great strength and tear resistance
  • 220 x 195 lb tensile strength, 300 psi burst strength

Standard Approvals

  • ANSI/UL-214
  • ASTM E84
  • NFPA 90A/90B
  • ULCS-109/1969