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A semi-rigid and lightweight non-insulated air duct, triple lock is manufactured by using a dead soft aluminum strip which is spirally wound and mechanically joined together forming an air-tight and leak-proof triple lock seam. A self-supporting and corrosive-resistant ULC-S110 and UL181 class 1 product is produced which provides excellent strength and flexibility, adaptable to any low to high pressure heating, ventilation and air conditioning system.
FLEXMASTER® Triple Lock® Flexible Ducting, Series: T/L Series, 4 in Duct, 8 ft Length, 10 in-WG, 12 in-WG, Aluminum, 5500 fpm, -60 to 600 deg F
| Duct Size | : | 4 in |
| Length | : | 8 ft |
| Material | : | Aluminum |
| Pressure Rating | : | 10 in-WG, 12 in-WG |
| Series | : | T/L Series |
| Temperature Rating | : | -60 to 600 deg F |
| Velocity Rating | : | 5500 fpm |