Premium HEPA vacuum filter is made with high quality and eco-friendly material to ensure the filters endurance. To enhance the filters performance it is washable and reusable. Rinse the filter under clean water and allow the filter to dry completely. *Please make sure filter is fully dry before installing.* Our premium HEPA filter is compatible withShark Navigator Pet Plus NV251, NV255, Zero-M Self-Cleaning Brushroll Pro ZU62, ZU62C, ZU60, 1239FT60, 1238FT60, NV150. Preliminary filter traps large particles such as hair, dust. HEPA filters capture up to 99.97% of particles, as small as 0.3 microns. Our premium filters are made with the best quality to keep your home as clean as possible. Dimension: 4 in x 5.6 in x 1 in ”. 3 included. Suggested to clean every 2-4 weeks and replaced every 2-3 months. 100% customer satisfaction guaranteed. Quality meets or exceeds leading national brands.