refrigerant gas R134a, r22, r404, REFRIGERANT GAS R134A Can of 220g, 250g, 280g, 300g, 340g, 500g, 800g, 1000g; Disposable cyli working substance: R134A,OUR R134A SERIES HERMETIC REFRIGERATION ... DISPENSER AND FREEZER ETC. REFRIGERANT GAS R134A Can of 220g, 250g, 280g, 300g, 340g, 500g, 800g, 1000g; Disposable cylinder 30lb/13.6kg, 50lb/22.7kg ...