A welded spot filter screen is a type of industrial filtration device used to remove particles and contaminants from gases or liquids. Here are some key points about welded spot filter screens: 1. Construction: - Made from metal (stainless steel, carbon steel, etc.) - Consists of a flat screen with evenly spaced welded spots or weld nuggets 2. Purpose: - To provide precise particle size separation - To create a fixed gap between layers of the filter media - To reinforce the screen structure