5” Silver Flex
$55.00
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5” Silver Flex
$55.00
5” Silver Flex
| Product Type | Insulated Flexible Air Duct |
| Manufacturer | Quietflex, JP Lamborn |
| Model Number | 580 or variants like 580C, FLEX-580, MHP25R6B-05 |
| Inner Diameter | 5 inches |
| Overall Length | 25 feet |
| Insulation Value | R-6.0 (other R-values like R-8 are available in similar models) |
| Insulation Material | Fiberglass blanket |
| Outer Jacket | Silver, reinforced metallized polyester vapor barrier |
| Inner Core | Air-tight, two-ply black pigmented polyester with a wire helix reinforcement |
| Maximum Air Speed | Up to 6,000 fpm (feet per minute), though other sources list 5,000 fpm |
| Temperature Range | -20°F to 200°F (-29°C to 93°C), or -20°F to 140°F in some variations |
| Pressure Rating | Up to 10 in. wc (inches of water column) |
| Certifications | UL Listed/Approved to UL 181 Class 1 Air Duct standards; also meets NFPA 90A and 90B, and is GREENGUARD certified |
| Application | Air distribution for supply and return lines in residential and light commercial HVAC systems |
