Delivered Gas: Spirit 300 vs Helios    

Below is a Comparison Chart of the actual amount of gas delivered at various settings with the       CAIRE Spirit 300 & Puritan Bennett Helios Portables

Flow Setting	CAIRE Spirit 300	Puritan Bennett Helios
1 LPM	15 ml	14 ml
1.5 LPM	22.5 ml	16.5 ml
2 LPM	30 ml	22 ml
3 LPM	45 ml	30 ml
4 LPM	60 ml	35 ml
5 LPM	75 ml	Not Applicable
CF	2 LPM (continuous)	Not Applicable