Size Models: The tips set is available in different models with different aperture sizes and ranges. 211, 313, 415, 517 and 623, corresponding to nozzle diameters of 0.011 inches, 0.013 inches, 0.015 inches, 0.017 inches and 0.023 inches, with ranges of 4-12 inches. You can choose the right airless paint sprayer tip according to your usage needs Airless Tips Set: Compatible with most types of airless sprayers and meet your daily use or replacement needs Paint Sprayer Tips Set: The sprayer tip guards are designed with hand screwing that you can easily tighten without wrenches. -piece nozzle seat gasket seals more tightly, easy to put on and no leakage. The Sprayer extension pole makes it easier to Sprayer higher and farther. 60 mesh Sprayer mesh filters can prevent paint clogging, multiple quantities for your daily replacement needs, Manufacturer: Ounfhtrttk