Wide compatibility: You will get 5 pieces of different sizes of reversible airless sprayer nozzles and 5 pieces of airless spray 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 spray guns, 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 spray 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 spray 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 spray tip to seal the nozzle into the protective base; Then insert the spray head 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 spray 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.