... 2-Reasonable and competitive price 3-Delivery time :5 days 4-Good service after Product specifications: Product: ... Tank. Quality standard : Purity, %≥99.8Moisture, PPm≤10Acidity, PPm≤0.1Vapor Residue, PPm≤100AppearanceColorless, No turbidOdorNo Strange Stench Product Pictures:High purity refrigerant ... air-conditioning system. It can also be used as aerosol propellant for pesticide and paint, or fire ...