... /13.6kg,50b/22.7kg, recyclable steel cylinder 400kg/400L ,800kg/800L ,1000kg/1000L,950kg/926L Quality standard : Purity, %≤99.99Moisture, PPm ... ≤10Acidity, PPm≤0.1Vapor Residue, PPm≤100AppearanceColorless, No turbidOdor R22 Refrigerant Gas for Sale