Air Ventilator Large Diameter Flexible Duct Yellow 36 In. Dia

The Air Ventilator Large Diameter hose is an air ventilation duct designed to move large volumes of air. This flexible duct is available in large duct sizes which have traditionally not been available off the shelf. This large flexible ducting is sold in 30 in. 36 in. 42 in. and 48 in. Dia and all are available in 25 ft. long coils. All of the air duct ends have a belted cuffed end for easy installation. This reduces the need for clamps and makes installing ventilation pipes a quick and painless task. These large diameter hose products are designed for use in large commercial ventilation applications that require a hose to deploy quick and fast for use in field installations. This large bore flexible hose is made from PVC vinyl coated polyester fabric hose that is reinforced with a spring steel wire helix. Due to its PVC construction, the flex duct is resistant to weathering, chemical rotting, corrosion, and abrasion. PVC ducting displays excellent resistance to both physical and chemical exposures. This duct has been tested and meets the NFPA 701-2023 standard methods of fire tests for flame propagation of textiles and films. Although this is large diameter flex ducting, it is made with an external wearstrip. The extra layer of protection is an added PVC coated fabric that is an auxiliary layer applied to the areas the metal helix is constructed around. The additional layer of protection will add life to the hose and keep it from accidental damage.