I recently took the advice of some folks on here and built myself a fresh air respirator from a $30 bathroom fan and some 1/4 inch plywood. I originally planned on adapting my filter-type mask, but was hoping for something better when I stumbled onto these
http://cgi.ebay.com/ws/eBayISAPI.dl...Sell_LogicX&refwidgettype=cross_promot_widget
I ordered it on sunday and received it today. It's used but in absolutely great condition. It came with a really nice hose already attached and is a STEAL at the $16 (shipped) that I paid. My entire respirator system with this cool mask cost me less than 60 bucks total and works great. He has a bunch of these masks, so if you want to make your own system you should jump on this deal.
http://cgi.ebay.com/ws/eBayISAPI.dl...Sell_LogicX&refwidgettype=cross_promot_widget
I ordered it on sunday and received it today. It's used but in absolutely great condition. It came with a really nice hose already attached and is a STEAL at the $16 (shipped) that I paid. My entire respirator system with this cool mask cost me less than 60 bucks total and works great. He has a bunch of these masks, so if you want to make your own system you should jump on this deal.