Special Features
Tapered type; scale qty, direct capacity reading in standard cu ft per hr at 30 psig and 70 deg. F; argon scale numerical markings 4, 10, 20, 30, 40, 50, and 60 with lined increments for 15, 25, 35, 45 and 55, carbon dioxide scale numerical markings 4, 10, 20, 30, 40, and 50 with lined increments for 15, 25, 35, 45 and 55; 104.6 mm o/a lg
