This Donaspin Pre-Cleaner is a powerful solution for extending your air filter's life. Standing at 11.98 inches, it features a durable, corrosion-resistant steel construction. With an outlet diameter of 7.99 inches and a hood diameter of 11.98 inches, this pre-cleaner removes up to 90% of dirt and contaminants before reaching the filter. Operating as part of a scavenged flow system, it continuously expels pre-cleaned contaminants through the exhaust flow. Ideal for heavy dust environments, it ensures reliable performance with a rated flow of 8.6 m³/min (304 cfm) and a restriction of 127 mm H2O (5.00 inch H2O) in HR.