Anti-allergen hepa multi-filter: sharks nanoseal filter with true hepa captures 99.98% of large, small, & micro-sized particles. based on iest-rp-cc007.3, 0.10.2 microns. heightened odor protection: an advanced odor guard on the filter protects against household odors from cooking, cleaning products, and more. compatible with shark air purifier 4-fan models (he400, he401, he402, he405). replace filter every 6 to 12 months.
