Like everything, so far. Wish it had an instruction book with more info for the dials on the inside of helmet
I use it to regulate the flow of nitrogen for welding. Easy to set the flow and it stays constant.
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Picked this up for the larger view window but was pleasantly surprised with it. It's comfortable and works well. I've had this for a little while now with use several times a week and has held up well so far. The nod works well and the adjusters have held up nicely.