Mestel SGE-150 Gas Mask kit. Includes a brand new SGE-150 mask WITH FILTER. The SGE 150 Gas Mask has multi-purpose applications and the following are their main characteristics. Soft hypoallergenic silicone face seal with double bellow shape for unparalleled comfort to all facial shapes. Polycarbonate, transparent (92% visible light transfer), ballistic visor. Very wide field of vision. Lightness in terms of weight: 530 grams (size S/M) and 590 grams (size M/L). 1 standardized front threaded fitting for filter connection (standard EN148-1 or 40 mm DIN3183). Six strap harness with quick release system. Tested for heat resistance. Controlled air flow system prevents fogging even in rigid temperatures. The full-face masks of the SGE series are Personal Protective Equipment that fall into category III with regard to the European Regulation 2016/425 and subsequent amendments.