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