The Allergen Defense 1000 is made with Filtrete’s exclusive 3-in-1 technology to capture finer particles such as pollen and pet dander from your household – perfect for those with allergies and/or pets. This filter is also an added line of defense for those who live in urban areas as this filter is capable of capturing smoke and smog.
- Filtrete MPR (Microparticle Performance Rating): 1000
- Use this air filter up to 90 days (dependent on frequency of use of your furnace or a/c)
Actual Dimensions (in.): 19.6 x 19.6