The DeVilbiss PROV-650 is an airfed mask designed to be the respiration system for professionals, complete with a removable peak and an alert whistle for safety and ergonomic use. With a wrap-around visor, the PROV-650 allows for a wider peripheral vision than usually provided in a standard visor. The removable peak can help reduce glare from the lighting in the spraybooth, meaning that the experience is more comfortable for the user. A whistle has been incorporated in order to warn the user of an insufficiency of breathable air, being a useful safety feature to ensure correct usage. DeVilbiss PROV-650 Complete Airfed Mask Technical Specifications Protection: APF=40 / NPF=200 Carbon filter life: 3 months Supply pressure: 4.0 bar (60psi) minimum to 7.0 bar (100psi) maximum Air flow rate: 160 – 220 L/min (5.7 – 7.8 scfm) Noise level @ 200 L/min: 80 dB (A) Approvals: PPE directive 89/686/EEC. Conforms to EN 14594:2005 Class 3A Zone classifications: Suitable for use in Zones 1 and 2 hazardous areas (gas groups llA)