Superior AC System Flush Tool: This 1 liter empty flush canister is made of high quality stainless steel, sturdy and durable. The tank body adopts integrated molding technology, which is strong and pressure-resistant. The brass integrated cover is equipped with a 1/4 inch American and European air plug with ball valve, brass outlet for connecting hose, pressure gauge (0-220 pounds per square inch), and hook. Air Conditioner Cleaning Kit: Suitable for use with various air conditioner cleaning agents. Can be used with pressurized air. Large capacity allows for multiple cleanings. Durable and Reliable: The air conditioning system flushing kit is constructed from heavy-duty stainless steel. Leak-free design. The tank is built to withstand high pressure, is reusable, and designed to endure years of use. Efficient Cleaning: The air conditioning flushing kit quickly and effectively removes refrigerant oil and debris during compressor rebuild or replacement. Features an improved nozzle to reduce backflow and deliver consistent performance. Simple to operate with no complicated steps required. Air Safety Valve: The AC flushing kit includes an air safety valve that automatically releases pressure when the limit is exceeded, enhancing user safety. Color: As shown in photo Material: Stainless steel Package Contents: 1 x Air Conditioning Flushing Kit Note: Light reflection and different displays may cause slight color variation between the item and the image. Measurement may vary by +/- 1-3 cm.