28x30x1 MERV 12 AC Furnace Filters Number Per Box:6 * Neoprene sponge foam is

* Neoprene sponge foam is more durable than latex sponge rubber or polyurethane foam

If you are replacing a 4 3/8 depth 20x20x4 filter in your Honeywell unit you should order our 20x20x5 Honeywell Replacement air filter that measures 19 5/8 x 19 7/8 x 4 3/8 (19

antimicrobial

it helps your HVAC unit perform more efficiently

Nordic Pure 20x24x2 MERV 7 Plus Carbon air filters are made of electrostatically charged synthetic materials with an added flat panel infused with activated charcoal that attracts and capture most airborne particulates in your home

28x30x1 MERV 12 AC Furnace Filters Number Per Box:6 * Neoprene sponge foam isActual Size: 27 1 2 x 29 1 2 x 3 4 (27. 5 x 29. 5 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores and other contaminants. Ideal for high efficiency air filtration and will help those with moderate allergies and asthma. Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 12 is equivalent to MPR 1500 1900 Made in the USA. Nordic Pure