Specifications: Compound Hepa air filter for vacuum cleaner 1).High efficiency 2).Low resistance 3).Fast delivery 4).Long service lifetime Compound Hepa air filter for vacuum cleaner The purpose of our development and production is to have high efficiency, low resistance and effective to purify the suspended substances in the air, particles with or above 0.3um, virus germ, more effective to eliminate stink. The used material is high polymer aggregate or fiber glass added catechin, photocatalyst, cold catalyst, active carbon, vitamin C, aromatics, anti-sensitive or catalyzer. It’s used in the purification industrial to dispose formaldehyde, xylol, phenols, ammonia sulfur etc organic gases. Product Property: 1).Broad-spectrum function: absorb and kill the bacteria 2).Long residual action: No effect change for the fabric with “nano silver” being washed 1000 times 3). Safety: non-toxic, harmless, no sensitive reaction. Application: 1). Central air conditioner, air HFPA purifier, air cleaner, Fragrance machine etc. 2). Medical nano silver masks, exposure suits, hygiene necessities. Product photo Compound high efficiency Hepa air filter for vacuum cleaner