DeFendAir Hepa Panel Filter For DeFendAir 500

Defendair hepa 500 filters, aluminum frame, 99.97 efficiency (4 filters per case) green klean brand superior quality commercial filters are specifically designed for the janitorial professional vacuum cleaners and are backed by the green diamond warranty. oem# f321 made from the highest-quality materials to achieve filtration efficiencies up to 99.9, allergen filtration designed specifically for commercial use; equal to/exceeds oem quality strong style"color red;" vacuum filtration bags are to be used with machines only, they are not to be repurposed for any other use./strong.