Imedical Healthcare Solutions
The Ferno 833 BRAVO2 Oxygen Regulator (#0819748) is a brass-bodied regulator with a pressure gauge that measures 0 - 4000 psi. 
Warranty: 5 Years.
This regulator has a CGA 870 pin index connection and flow specifications that range from 0 - 25 lpm. Users can choose settings of 1, 2, 3, 4, 6, 8, 10, 15, and 25. 
This regulator has a strong uni-body construction with a flow accuracy of around 10% (plus or minus).