Versaflo M-406 helmet visor features a general purpose shroud for construction, demolition and heavy industries. Shrouds are interchangeable. Versaflo M-400 Series Helmets offer high levels of respiratory, head (EN397), eye (EN166 Medium Impact) and face protection. The helmet features a jawed visor allowing the visor to be lifted without removing the full head assembly when it is safe to do so. The 3M Versaflo M-Series helmet and face shields are lightweight and well-balanced to provide an integrated system of protection from a range of respiratory, head and eye hazards (EN166 Medium Impact). Please Note: These head tops are for use with the Versalfo TR-315UK complete kit or the Versaflo V-500 , V-100 or V-200 supplied air regulators, all are available on this website.When used in conjunction with 3M powered and supplied air systems the M-400 visors offer an assigned protection factor (APF*) of: Jupiter APF= 20 TR-300 APF = 20 V-500 APF= 20 *Assigned Protection Factor (APF) as detailed in HSE HSG53. **Designed to be connected to a powered air unit via a breathing tube (not supplied)