Features:*1. This refrigerant charging valve is 100% brand new and made of premium copper, durable and sturdy.*2. The great craftsmanship makes its top-loading rotation easy to use.*3. Good CNC machine tool processing,multiple parts are connected without leakage.*4. It is easy to switch operations regardless of how the safety valve is placed.*5. The movable thimble can precisely control the high and low pressure valve needle of the air condition.*6. Sealed before treatment, safe and reliable.*7. The safety stem ejector will move forward to the air valve in the stem valve of the pipe.Air Conditioning Refrigerant Safety Valve R410A R22 1/4 " Refrigeration Charging Safety Liquid Adapter Hand Tool PartsDescription:*1. Product Name: Safety Valve*2. Color: Gold(As pictures shown)*3. Material: Copper*4. Model: R410 A(Red) / R22 (Blue)*5. Diameter: Male: 1/4" (12 mm); Female: 1/4" (12 mm)(Approx.)*6. Approved: for R22 refrigerant Return Policy All of our items come with a 30-day free return policy. If you need to return, please contact us, let us know the detailed problem and send us some pictures for confirmation. We reserve the right to refuse any returns for objective reasons. Shipping Policy All of our items are shipped free with tracking numbers. Orders will be shipped within 3 working days upon receipt of payment. Most orders will be shipped within 1 working day. In most cases, shipping takes 8-12 working days.