Panasonic MC-V196H HEPA Bagless Dust Cup Filter, 1-Pack Genuine Panasonic HEPA air filter removes most allergens from the air Captures up to 99.97-percent of airborne particles down to 0.3 microns in size Important for those who suffer from asthmatic or other respiration-related irritations Replaces exhaust filter in Panasonic bagless upright vacuums Measures approximately 4-1/2 by 1 by 3-1/2-inch