4” Silver Flex
$45.00
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4” Silver Flex
$45.00
4” Silver Flex
- Brand and Series: The product is manufactured by Quietflex Manufacturing and belongs to their Series 80 line.
- Material: It features a metallic polyester vapor barrier with a "rip-stop" scrim reinforcement for durability. The core is made of two plies of black polyester film encapsulating a steel wire helix, and is insulated with Johns Manville Formaldehyde-free™ fiberglass.
- Dimensions: It has an internal diameter of 4 inches and is typically sold in 25-foot lengths.
- Insulation Rating: It has an R6 insulation rating, offering enhanced thermal efficiency compared to standard R4 ducts.
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Performance:
- Maximum Air Velocity: 4,000 FPM (Feet Per Minute) according to The AC Outlet, and up to 6,000 fpm according to Grainger.
- Temperature Range: Suitable for temperatures from -20°F to 200°F (-29°C to 93°C).
- Maximum Pressure: Rated for a maximum pressure of 10 in. W.C. positive.
- Certifications: The product is ETL Listed and meets UL 181 Class 1 Air Duct standards, conforming to NFPA 90A and 90B standards.
- Application: It is intended for use in residential and light commercial heating and air conditioning (HVAC) systems and certain venting applications.
