Flexaust® Springflex® SD-W 1-Ply Ducting Hose is designed for efficient air movement in portable or permanent ventilation and exhaust systems. Made of single-ply neoprene-coated polyester fabric with a spring steel wire helix and an external PVC wearstrip, this hose offers excellent abrasion and drag resistance. With a pressure rating of 5.4 psi, it withstands temperatures from -65°F to 250°F and is UL 94V-0 flame-retardant. Ideal for applications such as HVAC, confined space ventilation, fans, blowers, and mining, it is highly compressible and retractable for easy storage and transport.