... : 500pcs 4. Various Package 5. Colour: Colourless Refrigerant Gas R22R22 (HCFC-22) can be used as refrigerant in ... , the product is a colorless, odorless and nontoxic gas. Its melting point is -160°C, its boiling ... R125, R134a, R134a replacements, R141b, R142b, R152, R401a, R404a, R406a, R407c, R410a, R415a/b, R417a, R418a R422a, R425a, R507 ... We welcome your contact and visit! Refrigerant Gas-R22