Scott C420 PAPR 36 Breathing Tube Hose Assembly with AV 2000/3000 Adapter. Connects AV200/300 Respirator Facepiece (Gas Mask) to C420 Blower. Includes: Hose Assembly w/Adapter, Scott #200829-36. Fits ALL C420 PAPR Models, Scott, Drager, Airboss, SafetyTech, Micronel, MSA, ETC. PAPR – Powered Air Purifying Respirator. Scott Health & Safety Part # 200829-36. This listing is for the Hose Assembly & Adapter Only! Material EPDM Rubber / ABS. Features: Toxic Industrial Chemical Resistant, Toxic Industrial Material Resistant, Chemical Warfare Agent Resistant, 100% Pressure Checked Applications, TIC/TIM Respiratory Protection, NBC Respiratory Protection, Consequence Management, Clandestine Lab Cleanup.