Automatic five output manifold that does not require flowmeters. Precise, consistent, preset flow rate from each outlet, no variables… EZ-190F Auto Flow Vaporizer Machine Features: Fixed flow rates are set specifically for mice and rats Each output is individually controlled with simple on/off switch Five outputs supply anesthesia to the induction chamber and up to four breathers Preset flow rates eliminate need for flowmeters and manual adjustments Protocols are easily followed without calculations Minimum opportunity for operator error ; Flow rate is not impacted by the type or number of accessories connected Precise, low flow gas saves money and protects personnel Pushbutton oxygen flush purges induction chamber before removing animals Carry handle facilitates safe, easy transport of the machine