DeFend Air Replacement Hepa 500 Filters, aluminum frame, 99.97% efficiency OEM# F321 (4 filters per case)

DeFendAir HEPA 500 Filters, aluminum frame, 99.97% efficiency (4 filters per case) Green Klean® Replacement Hepa filter designed for exact fit and performance as the OEM, at a considerable savings.



Green Klean® Superior Quality Replacement Vacuum Filters are specifically designed for the Janitorial Professional and are backed by the Green Diamond Warranty. Made from the highest quality materials to achieve superior filtration efficiencies.

Fits DeFendAir 500, (OEM# F321), GK-F321

Designed for commercial use; equal to/exceeds OEM quality

Exclusive Green Diamond Warranty

4 Filters per case


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