Furnace 3M Filtrete Furnace/ AC filters 12x24x1. Merv 11. 5 pack 3 in 1

#4920 This is a 5 pack of these 12x24x1 filters. The listing shows a 6 pack but this package is them but only contains 5 filters. Very Good filters allergen defense Merv rating of 11.Filtrete Allergen Defense air filters turn your central heating and cooling system into a whole house air cleaner. Developed to pull in and trap unwanted particles, including: lint, dust and dust mite debris, mold spores and pollen, pet dander, and smoke and smog.Designed with Filtrete Brand 3-in-1 technology from 3M to pull in and trap unwanted air particles while letting clean air flow throughOutperforms fiberglass, washable and non-electrostatic pleated 1 filters and lasts up to 3 monthsFor residential use only superb for everyday use. first-class materials and excellent craftsmanship ensure long-lasting durability.