hi good RT'S
I have an assigenment about disadvanteges and artifacts of Puritan Bennett 840 Ventilator. can you help me .
thanksballawii@hotmail.com

Could you be more specific? What is the purpose of your query? To make a purchase decision, a student paper, etc.?

If you follow some of the threads here each ventilator seems to have it's stalwart defenders and detractors.