... : not less than 99.8% 3.Brand:UISZL/OEM 4.R12 replacement 1. Competitive price with good quality in China.2.Have ... our own factory.3.Our main products R22,R134A,R12,R404a,R407C,R410,R502,R406 etc, 4.The best after ... , PPm≤1Vapor Residue, PPm≤100AppearanceColorless, No turbidOdorNo Strange Stench Application:R12 replacement. Refrigerant Gas R415b