Oxygen tank refill sizes
20 cu. ft. 40 cu. ft. 80 cu. ft. 122 cu. ft.
Argon and Argon/CO2 tank refill sizes
20 cu. ft. 40 cu. ft. 80 cu. ft. 122 cu. ft.
Acetylene tank exchange sizes
10 cu. ft. 40 cu. ft. 80 cu. ft. 150 cu. ft.
CO2 tank exchange sizes
(I don't refill your bottle, I only exchange)
20 lb.