"Pump In Style pump motors are not sterilizable, they have no filters and therefore organisms could *theoretically* get into the motor and be blown back through the tubing into the collection chamber." I have never understood this argument, other than the fact that it comes from the competing manufacturer. Since the pump "sucks" rather than "blows" through the tubing, how can organisms be "blown" through the tubing into the collection bottle? winnie *********************************************** To temporarily stop your subscription: set lactnet nomail To start it again: set lactnet mail (or digest) To unsubscribe: unsubscribe lactnet All commands go to [log in to unmask] The LACTNET mailing list is powered by L-Soft's renowned LISTSERV(R) list management software together with L-Soft's LSMTP(R) mailer for lightning fast mail delivery. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html