The filter we designed is in a detachable mode, you can replace the filter and the inner cup, which greatly improves the usage rate of the cover, so you can get at least 70 times of using experience.You need to apply light force along the edge of the inner ring of the filter to remove it . Our disposable paint cups are designed to support painters throughout the painting process, from mixing, applying and refilling to storing paint materials until the painting. They can be refilled and spare cups can be replaced at any time, reducing cleaning effort and detergent consumption.The plastic measuring cup has only three parts for easy installation. Our rigid cups feature clear graduations to determine mixing ratios for common paint systems, and the transparency makes it easy to see liquid levels.Our paint mixing cups can be safely stored with disposable lids and cup airtight stoppers. If there is any residue after spraying, you can store it in the inner cup for use, no wasting paint.Our car paint mixing cups are perfect for mixing resin or paint for fiberglass resin, car paint, varnish, paint, polyurethane and enamel.Color: As ShownMaterial: plasticPackage Contents:1 set x paint cupOnly 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.