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Why Choose Donaldson Replacement Filters?

Replacement filters for Fleetguard Optiair Air Cleaners deliver superior performance and proven protection.
• High-efficiency cellulose media is a proven performer across a wide range of heavy-duty diesel engine applications.
• Unique sawtooth design compresses to cushion and hold the filter in place, providing a secure seal – even in severe environments.
• RadialSeal™ design allows for fast filter changes.
• Durable structural support protects filters from damage or collapse in heavy vibration applications or humid conditions.
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