1830 Quietflex 18" X 25' (30) Flex Duct Silver R4.2

18.25FDR4.2 MFG #: 1830
18.25FDR4.2
  • Diameter: 18"
  • Insulation Type: R-4.2
  • Length: 25'
  • Manufacturer Name: Quietflex
  • Specifications
  • Documents
  • Description
  • Flexible Air Duct
  • Type Class 1
  • Applicable Standard ASTM C518, NFPA 90A/90B, IMC, IRC, UMC, HUD, UL 181
  • Insulation Type R-4.2
  • Burning Character Maximum Flame Spread 25, Maximum Smoke Developed 50
  • Air Velocity 5000 FPM
  • Rated Positive Pressure 4" WG Positive per UL 181
  • Rated Negative Pressure 3/4" WG Negative per UL 181
  • Jacket Material Metalized Silver Polyester
  • Core Material Metalized Polyester
  • Length 25'
  • Width 18"
  • Temperature Rating -20 to 180 Deg F (Continuous), -20 to 250 Deg F (Intermittent)
  • Application Residential and Commercial Low-To-Medium Pressure Heating and Air Conditioning System, Mixing Box, Diffuser, Light Troffer, Room Inlet or Other Terminal Device
  • Insulation Material Fiberglass
  • Packaging Quantity 1 Piece per Carton
  • Warranty 5 Year Limited Material and Workmanship Defects from the Date of Purchase
Air-Tight Inner Core-Energy Efficient/No Fiberglass Erosion into Air Stream; Encapsulated Wire Helix-No Unraveling When Cut to Length/Quick Installation; Smooth Inner Core-Low Friction Loss/Low Operating Cost; Thick Blanket of Fiberglass Insulation-Energy Efficient/Excellent Thermal Characteristics; Tough Reinforced Metalized Polyester Jacket-Tear and Puncture Resistant/Low Maintenance; Lightweight Compact Carton, Reduces Warehouse and Jobsite Handling Cost; 5 Year Limited Warranty on Material and Workmanship Defects from the Date of Purchase