The filter is made of high-quality plastic material, with a green and white color. The filter is available in a variety of specifications, and is manufactured in Ningbo, Zhejiang. The filter head is made of green plastic and has a copper-colored circular hole at one end. The filter contains a white plastic filter canister. The filter uses liquid as a medium and can effectively prevent the entry of filtration and soluble substances into the critical parts of the refrigeration system, thus ensuring the system's operation. The filter has the ability to dissolve water and acidic pollutants, making it easy to use. The filter is packed in a quantity of 12 pieces per piece.Wholesale price to be negotiated, minimum order quantity is one piece.