I'm using a ThermalArc air cooled setup. Recently, while welding with my WP9 torch every weld went to CRAPOLA! The puddles boiled and when they cooled were porous, with BIG voids. VERY UGLY. I had gas and good flow. But I had just gotten a new bottle or argon, so I suspected the gas might have been ...

Try as I did, the links just took me to the home page for Radio Shack. So I don't know what part numbers you're talking about.

TIG Helmet (6).jpg When I have to weld under my project car, sweat and body heat conspire to fog up my glasses AND the helmet glass in about 2 seconds. I tried FOUR different anti-fog products and NONE of them even slowed up the fogging. So I've installed two small, 12 volt "muffin fans" ...