[] Compatible with HPA200, HPA201, HPA202, HPA204, HPA250, HPA250B series air purifiers, replace HRF-A200, Pre-filter A & HRF-.[Thickened Design] Upgraded carbon pre-filter is thickened to 1/4 inch and about twice as dense, effectively improving the odor-reducing effect by 50%[Protect HEPA Filter] Thicker carbon pre-filter greatly reduces the amount of large substance getting into the main filter, which maximizes the life of the HEPA filter[Effortless Setup] Just take the filter out, and fit the new one in. Measuring and cutting filters is time-consuming and potentially inaccurate. Now you can replace your dirty old filter in a matter of minutes These are specially cut and designed to fit HPA200, 202, 204, 250B Air Purifiers.[REMOVE ODOR, SMELL, AND SMOKE] Made from Premium Quality Activated Carbon to help keep your home smelling fresh and odor-free. Perfect for households with pets, cooking, smokers & people suffering from asthma or allergies.Colour:blackMaterial:activated carbonSize:360 x 290 x 5mmPackage Contents:6 x HPA200 Filter cottonOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.