R22: 1.pure refrigerant gas, 2.purity:99.8%, 3.first service. Product:Refrigerant gas R22 Physical ... 400kg/400L ,800kg/800L ,1000kg/1000L,950kg/926L Quality standard : Purity, %≥99.8Moisture, PPm≤10Acidity, PPm≤0.1Vapor Residue, PPm≤100AppearanceColorless ... ; Recyclable cylinder 400L, 800L, 926L, 1000L; ISO-Tank. refrigerant R22 with 99.8% purity