> The specs for the current version of this machine spec 300CFM > or 500m3/h. The Manual says "Use a 400CFM (150m3/h) 300cfm = 510m3/h => 400cfm = 680m3/h 88cfm = 150m3/h -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist