Asbestos Removal Duct Asbestos Removal Duct – commonly found in vacuum devices for asbestos removal Master Clip Vinyl Suction & blower flexible ducting hose, PVC film, external galvanised steel helix, +70ºC for low-pressure Dust and Gas. Maximum Temperature: 70 ºC Diameter Range: 50 - 900 mm Master Clip PE Master Clip PE: Polyethylene, environmentally friendly ducting; good for air-cons, ventilation systems, asbestos removal, extractor units... Maximum Temperature: 85 ºC Diameter Range: 50-900 mm