Our high-quality, premium air filter replacements capture unwanted particles traveling through your home. Ideal for households with pets, cooking & smokers, our air purifier replacement pre-filters work to trap odors and purify your home. Our high-caliber charcoal air filter replacements are essential for keeping the air in your home healthy & clean. Precut and specially designed to be compatoble with and fit HW HPA200, 202, 204, and 250B air purifiers. Value pack includes 6 activated carbon pre-filters (11.25" x 13.9" x 0.2”). Our Goal is Keep Your Home Smelling Fresh and Clean with our Activated Carbon Pre Filters! Pet owners, smokers, people suffering from asthma or allergies trust VEVA Advanced Filters for their needs, whether to remove odors, smells, allergens, dander, pollen, pet hair, dust or smoke from their household.INCREDIBLE VALUE IN EACH PACK - With 6 filters in every pack, this may last up to 6 months for each filter depending on your usage. Lower quality replacement filters allow dust & particles to escape into your main HEPA filter which is costly to replace. SUPER FAST INSTALLATION - No more time consuming cutting and measuring you’ll have your machine running in a matter of minutes. These are specially cut and designed to be compatoble with and fit HW HPA 200, 202, 204, and 250B Air Purifiers. Pre Filter Dimensions: 11.25" x 13.9" x 0.2”.