Material :made of special Nylon, has high enough strength and operation temperature for welding.Use high quality LCD and multilayer optical interference filter
Type:AS-4000F
View area selectable: 100x60mm/ 97x47mm
Mask and auto darkening filter meet withCE, ANSI, CSA
Features :1.View size of high cost performance: 97X47mm & 100X60mm big view area.2.Professional degree of classification: 1/1/1/2.3.Faster switching time