1. 22% Steel Perforated Panel Size£º 600¡Á600¡Á30mm 600¡Á600¡Á35mm Feature: 22% steel perforated panel is made of high-quality steel by drawing, punching, spot-welding and powder-coating. Inside is made hollow and placed with enhanced grille. Surface was stuck by HPL or PVC with a ventilation rate of 22 percent. This panel can be installed with steel raised floor, which meets air flow requirements from 0-22% for various industries.
2. 45% steel grating panel 45% ventilation Huili steel grating panel is highly recommended in places which requires high air flow rate.
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