RESPIRATOR,ADV 4000,DUO-FLO,MED,CLOTH

Duo-Flo Respirator

This combination air-supplied/air-purifying respirator is designed for use in adequately ventilated areas with at least 19.5% oxygen. Featuring a unique, switchable exhalation valve, these units are well suited for abatement work. Available in constant-flow and pressure-demand versions.

• Fresh-air respirators for use in adequately ventilated areas
• Requires at least 19.5% oxygen for use
• Features a switchable exhalation valve
• Air-supplied mode permits long service use
• Air-purifying mode is for entry, egress and moving from station to station in a contaminated atmosphere