refrigerant gas R134a, r22, r404, REFRIGERANT GAS R134A Can of 220g, 250g, 280g, 300g, 340g, 500g, 800g, ... COMPRESSOR IS USUALLY USED FOR WATER DISPENSER AND FREEZER ETC. REFRIGERANT GAS R134A Can of 220g, 250g, 280g, 300g, 340g, 500g, 800g ... , PPm ≤0.1Vapor Residue, PPm ≤100AppearanceColorless, No turbidOdorNo Strange StenchApplication:Refrigerant for CFC-12 substitute.