General description HZ3002 Filters for Shark HZ3002 Stratos Ultralight Corded Stick Vacuum Cleaner include 10 pieces: 2 HEPA filters, 4 foam filters, and 4 felt filters. These premium filters are designed to capture 99.97% of airborne particles as small as 0.3 microns, making them ideal for maintaining high air quality in your home. Technical specifications Compatible with Shark HZ3002 Stratos Ultra-Light Corded Stick Vacuums Part No. XFFKHZ3000 Includes: 2 HEPA filters, 4 foam filters, and 4 felt filters Installation Easy to install and replace without using tools Usage Washable and reusable Clean the filter every 2-4 weeks to prevent suction loss Use the filter only after it has completely dried Recommended to replace the HZ3002 filter every three months, though this may vary based on working environment and frequency