Medical Oxygen Tank Regulator

(1) US Respiratory

(1) TRG Respiratory

(2) Essex Industries

(different names but all the same)

Used in verified working order regulator.

Flow is .5, 1, 1.5, 2, 2.5, 3-7, and 8 LPM.

Comes with a key. (Key could be black or green)

Sale is for ONE regular.