auto-darkening welding helmet

La description

This product（PRF***1AD）is a kind of powered air purifying respirator that can proof dust，integrating respiratory, skin and eye protection, eyeglass auto-darken，switch time< 0.1 ms，dark：***3（knob inside）, which is light in weight, easy to operate, well-sealed, with fine filtering precision(0.3ms), large air flow(**0L/Min) and 8 hours continuously working battery(chargeable Ni-MH battery).Air flows from top to bottle to prevent glass from fog. This product is used in many kinds of welding condition that head will not be accidentally hurt and many kinds of gas protecting welding （TIG、MIG、MAG）of adverse electric welding machine as well as all kinds of arc welding. This product does not provide protection against: Autogen welding or Laser welding！This product is applicable to various grain like material（dust、fog、smoke and so on）and no super scale peculiar smell gas. Therefore this product is an optimum personal protective article in prevention of pneumoconiosis and protection for worker's ***** product（PRF***1AD）has 2 choices of filter: **1D and **1G. It is unsuitable to anoxic (***** oxygen content less than *8%) or explosive operating conditions, or IDLH concentration (***** danger to life and health). PRF***1respirator weigh：**0g. AD air purifying solar auto-darkening welding helmet weigh：**0g.