1.Gas mask by CE,ANSI Z87.1 certifications. 2.Electro-optical technology of ... and LCD. Products meet the indicators 1. Model Of Welding safety Gas mask:EH-107/EF9242.2. Fire resistanc: ... , EF9040,EF9242,EF9848.14. Colour Of Welding safety Gas mask : blue,green,silver,black,yellow,red, And beautiful ... to customer’s choices.15. Dimension Of Welding safety Gas mask : 340mm*240mm*220mm.16. Warranty: 2 year ...