1230C Quietflex 12" X 25' (30) Flex Duct Silver R4.2

• 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 6" WG Positive per UL 181
• Rated Negative Pressure 1" WG Negative per UL 181
• Jacket Material Metalized Silver Polyester
• Core Material Metalized Polyester
• Length 25'
• Width 12"
• 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

Install Instructions
MSDS Sheets
Specification Sheet

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