Designed as a safety/backup air filter used in heavy-duty engine air intake systems. It serves to protect the engine when the primary air filter fails, is incorrectly installed, or during primary filter maintenance.
Replace this safety filter every third primary filter change or sooner if primary filter failure is detected.
Approx. 99.9% (tested to ISO 5011 standard)
Outer Diameter: 275.9 mm (10.86″)
Inner Diameter: 207.7 mm (8.18″)
Length/Height: 550.7 mm (21.68″)
Data sheet
Specific References





Designed as a safety/backup air filter used in heavy-duty engine air intake systems.

















