PVC vinyl coated polyester fabric hose reinforced with a spring steel wire helix & external wear strip. All hoses ends have a belted cuffed end for easy installation. Recommended for industrial air movement applications. All hoses ends have a belted cuffed end for easy installation. Aerospace, Air Duct Cleaning, A/C Ventilation, Blower Hose, Chiller, Cold Air Supply, Confined Space Ventilation, Dehumidification, Fans and Blowers, Flame Retardant, Flight Simulators, Function Tent HVAC, HEPA, Humidity Control, HVAC, Laser Engraving, Mining, Pet Training Hose, Rocket Support Duct, Safety Equipment, Smoke Ejectors, Utility Blowers, Ventilation, Wave Pool Blowers.