Airgas has the gold Filter lenses in shades from 8 to 12 Polycarbonate and in both sizes. PDF download on the info for the weld cool brand they also have them make sure any you buy are the proper shade# Over the years There have been a number of Cobalt blue lenses for different uses. I have a pair o...

I don't know if it works with the hard facing rod. But with other materials, Copper, Aluminum, Brass and some steels beating it will work hardening it. After working copper you have to anneal it to bring it back from the harden state. This dead soft state lets you work the material, so it will not c...

http://www.petrogen.com/ Another brand http://www.petrolwin.com/products.asp Here is another brand http://www.pr9.net/business/trade/3492february.html The Petrogen is by far the superior of the set ups. You will find that if you do a lot of cutting, it might pay for it. They are pricey $2,000.00, a...

I have had one of those Campbell Hausfled gas driven compress for a number of years and it has worked with out a problem.It is the yellow extreme duty model like they have at Tractor supply stores. It isn't used 6/8 hours a day. It does do the job for my 600. Here is a link to a how to choose an air...