We supply all Honeywell/DuPont/Forane Refrigerant Gas,such as : 1. R-134a,R-22,R-23 ... max10acidity PPM max0.1Evaporation residue ≤%0.01Packing and storage:Refrigerant 250g, disposable cylinder 30b/kg, 50b 13.6 22.7 / kg, ... recycling cylinder 400kg / 400L 800kg, 800L / 1000L / 950kg 1000kg, must be ... cool, dry and ventilated place, avoid to say. Forane Refrigerant Gas R-134a