The filter replacement is compatible with Shark Navigator Lift-Away Upright Vacuum CU510 CU512 Made of 2 HEPA filters with H12 efficiency and 4 ultra-thick felt textured surface filters with 60 PPI density, these for Shark Navigator filters can efficiently filter dust with a purification rate of 99.9% and capture pollutant particles as small as 0.3 microns. Simply rinse with clean water and let it completely air dry before reusing them. The filter for Shark CU510 CU512vacuum set can be last to be used for a long time. It's money-saving and high-efficiency. Convenient and replace easily by hand, cleaning in warm water and let it completely air dry before reusing them. Regularly clean filters improve suction and performance, recommend to replace the foam/felt filter every 3 months and your post filter every 6 months. This for Shark CU510 CU512replacement filters faultlessly keep your home clean no matter kitchen, bedroom and balcony, creates a relaxed and healthy living environment. Spend less time cleaning, spend more time enjoying life! The filter replacement is compatible with Shark Navigator Lift-Away Upright Vacuum CU510 CU512