Large Double Flap Dog Door for Exterior Wall

Please view all photos these filters are brand new the very top filter has a small dent in one side. I have sold and used many pleated filters with cosmetic damage such as this and it does not affect its performance.Merv 12 rating up to 60 x more efficient than typical 1-in fiberglass filterEasily fits aprilaire / space guard models 2200 and 2253Captures high percentage of household airborne particles including microscopic particles you can't see ideal for everyday use. superior materials and excellent craftsmanship ensure long-lasting durability.