<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px"><div id="yui_3_16_0_ym19_1_1486056552146_10685">Hi All,</div><div id="yui_3_16_0_ym19_1_1486056552146_10685" dir="ltr">I have made a second scrubber for Gamma \ Elementary, they are good at sharing ;-) The new scrubber is an axial design because the re-breather scrubber works real well if it is used manually for some weird reason. My question is, what is the CO2 ppm that you guys are averaging? Is anyone doing better than 2500ppm?</div><div id="yui_3_16_0_ym19_1_1486056552146_10685" dir="ltr">Hank</div><div id="yui_3_16_0_ym19_1_1486056552146_10685"><br></div></div></body></html>