... .CE,ANSI Z87.1 . Powered air purifying welding helmet (AFR-636/EF9040)The product is a kind of powered air purifying ... and harmful ill odors. 1 Model Of Powered air purifyingAFR-636/EF9040 2 Configuration ADF ModelEF9040 3 Parameters 4 View area ... ,green,silver,black,yellow,red, And beautiful pictures etc. AFR-636/EF9040 Powered air purifying