... steel cylinder 400kg/400L ,800kg/800L ,1000kg/1000L,950kg/926L,ISO Tanks Quality standard :Purity, %≥99.8Moisture, PPm≤10Acidity, PPm≤0.1Vapor ... .6kg, 50lb/22.7kg; Recyclable cylinder 400L, 800L, 926L, 1000L; ISO-Tank. Refrigerant Gas R22 with 99.99% purity-13.6kg ...