Set of Do Refrigerant Filling R134A This do interface for opening the thread of the refrigeration unit can be M14 or 1/2" thread, if you have additional inspection tools, check whether the do tool interface for opening threads and refrigerant container are compatible. High quality tool material do manufacturing, durable use. Functions: Additional set of refrigerant air conditioning. Use in use and installation for your R134A. High pressure hose with 1/2” ACME fitting. Built-in safety valve to prevent refrigerant venting. Suitable do home furnishings and car air conditioning, adding refrigeration element. Technical data: Colour blue Material: aluminum copper rubber Quantity: 1 piece Left tank length: 160 mm / 6,30 inch Right tank length: 160 mm / 6,30 inch Pressure gauge: 350PSI Refrigerant: R134A Diameter of the meter: 72 mm / 2,83 inch Meter Measurement: 30mm/1,18inch Length: 410 mm / 16,14 inch Thread: M14, 1/2” do hose fittings: 1/2" ACME Item weight: Ok. 238 g / 8,41 oz Package weight: ok. 245 g / 8,63 oz Package Size: Ok. 20 * 15.5 * cm / 7.87 * 6.10 * 1.18in List of ingredients: 1 * Set of do measurement of refrigerant device :)