1.N.W:300g,340g,500g,1000g,etc 2.Purity: more than 99.9% or mixed gas 3.Brand: UISZL/OEM 4.DOT, CE certification provided Auto Refrigerants R12, R134aPurity, %≥99.8Moisture, PPm≤10Acidity, PPm ≤0.1Vapor Residue, PPm ≤100AppearanceColorless, No turbidOdorNo Strange StenchPackingtwo pieces can, three pieces canNet weight200g-1000gUsageAuto refirgerants AUTO REFRIGERANT R12 R134a