Wide compatibility: You will get 5 pieces of different sizes of reversible airless sprayer nozzles and 5 pieces of airless filters. These 5 models are 213, 315, 417, 517, 621 respectively.The filter screen is about 3.94 inches/ 10 cm, the mesh is uniform, and it is resistant to compression.These airless sprayer spraying machine parts can be compatible with most mainstream airless , applied in home decoration, painting and industrial fine paint decoration. Practical design:This airless sprayer nozzle has a reverse airless cleaning switch nozzle design, the can be quickly cleaned in a reversible position to prevent the nozzle from clogging, practical and effective for your work. Quality materials: The reversible airless tip is made up of 304 stainless steel handle and tungsten carbide orifice; The tip seal is made of stainless steel tip gasket and nylon. Easy installation: Easy InstallationThe airless sprayer nozzles are easy to install without extra tools.Use the paint tip to seal the nozzle into the protective base; Then insert the into the protective base and rotate to complete the installation step, easy to operate in a few moments; For clean, just rotate the nozzle. Colour:black Material:Plastic + Metal Package Contents: 5 x Black reversible switch tips 5 x Airless filters Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.