/4 inch inlet and outlet design easily connects with air tools and spray . Mainly suitable for paint spray and air compressor, matched used with pneumatic tools and hoses. Fine workmanship and creative appearance ensure its popularity and practicality. Feature - Color: Assorted color. - Material: Plastic, copper. - Size: 9.00X4.00X4.00cm/3.54X1.57X1.57 inch. - The water oil separator is made of plastic housing and solid brass fittings, it has , which greatly improves the durability and reliability of the tool and prolongs its service life. - Compared with other products, our advantage is that the filter elements can be taken out and cleaned for reuse. No need to buy filters again! - This filter can not only be used as a water separator for air compressors, but also has the function can effectively trap oil and dust, so only clean air through the pneumatic tool to extend the tool life. - The transparent plastic housing allows you to visually monitor the amount of dust and debris to know when to replace the filter. You also can see the moisture content of the before it gets to the spray . - Stops water vapor and particles from entering air tools and extends tool life. Package list: 1 x filter