High-pressure paint booths and robotic spray cells in automotive assembly lines operate in a haze of atomized primer, basecoat, and clearcoat. Fine overspray particles—some as small as one micron—drift through the air, settling on exhaust ducts, filters, and recirculation fans. Left unchecked, this buildup clogs airflow paths, disrupts laminar flow, and forces unscheduled booth cleanings that halt production for hours. The filter plates in this set sit directly in the exhaust plenum, forming a staggered barrier that captures residual paint mist before it reaches the main extraction filters. Their layered mesh design creates a tortuous path: air passes through, but droplets coalesce on the surface and drain into collection troughs. By maintaining consistent airflow resistance, the plates prevent pressure fluctuations that would otherwise distort spray patterns or trigger false alarms in the booth’s environmental controls. On a typical body-in-white line, these plates are replaced during scheduled maintenance windows—every 400 to 600 operating hours—ensuring the booth remains within its designed air-exchange rate and keeping overspray from migrating into adjacent zones where it could contaminate freshly painted surfaces.