AMAXE40868 Support RAParts Concave 4 Pack Actual : 19 1 2 4 Pack Actual : 19 1 2 x 19 1 2 x 3 3 4 Nominal : 20x20x4 Effectively captures and blocks small particles such as dust allowing you to see the content on the screen clearly in any environment Replaces Number(s): AXE40868