1. Compatible Adapter Required: The paint mixing cup system 20 ounce 600ml kit requires an adapter for use and is compatible with spray gun adapters. Note that it is not compatible with the new 2.0 series adapters. 2. Versatile Application: The paint spray gun cup liners and lid system is suitable for various types of paints, including automotive primers, clear coats, topcoats, stains, latex, sealers, varnishes, polyurethanes, enamels, and lacquers, making it highly versatile. 3. Efficiency Boost: Enhance your spraying efficiency with the 50 cup liners 50 lids with strainer. Each lid features a built-in 125-Micrometres filter, reducing paint material and cleaning solvent waste, and eliminating the need to clean traditional metal gun cups. 4. Convenient Design: From mixing to filling and storage, the 1 hard cup with retainer ring 20 plugs supports the entire painting process. The hard cup's clear markings help determine mixing ratios, and the disposable lids and cup sealing plugs enable secure storage and reuse of leftover materials without paint wastage. 5. Complete Kit for Professionals: The HVLP paint spray paint gun 20 ounce kit is designed for professional use, providing all the necessary components to achieve high-quality painting results efficiently and effectively. Colour:As Shown Material:PP Package Contents: 1 x outer cup 1 x black circle 50 x inner cup 50 x cover 20 x plug Only the above package content, other products are not included. Note: Light reflection 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.