Made of high-strength and environmental protection material.Complete with 2 foam filters with 60 PPI density, 2 ultra-thick felt filters with a textured surface, and 1 HEPA filter.
Washable and Reusable: Easy to install and can be reused after washing. Clean with warm water and let it air dry.
NV350 HEPA Filter replacement improves vacuum suction strength a lot, running like the first day buy it. Recommended these filters be washed every 30 days, and replaced every 3-6 months to maintain peak performance of Vac.
Package includes : 2 Foam + 2 Felt + 1 HEPA Filters for shark nv350 replacement filters.