<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12pt"><div>Gamma has an onboard hp compressor now. Since I may need to breathe the air from the main hp tanks in case of smoke or passing gas :-) I need to filter the air. I am making a filter housing from a hydraulic cylinder and filling it with tampons. I read that tampons work for this. Is that true? I hate buying tampons, !!</div><div>Hank</div></div></body></html>