COMPATIBLE WITH —— Shark HZ3002 Stratos Ultra-Light Corded Stick Vacuums. Compare to Part No. XFFKHZ3000. HZ3002 Premium Filters: Genuine HEPA filter captures 99.97% of airborne particles as small as 0.3 microns. If you have very high demands on air quality, HZ3002 filters can help you. Washable and reusable. Clean the filter every 2-4 weeks, otherwise suction loss may occur. Use it after completely drying. In order to maintain the working efficiency of the machine, it is recommended to replace the HZ3002 filter every three months. The hours may vary depending on the working environment and frequency. Included Accessories: HZ3002 replacement filters contain 2 HEPA filters and 4 foam filters and 4 flet filters. Easy to install and replace without using tools. Compatible with Shark HZ3002 Compared to Part No. XFFKHZ3000 The filter is made of fine fiber, soft and delicate, the filtering effect is stronger. The HEPA filter captures 99.97% of airborne particles as small as 0.3 microns. The