Filtrete - 12 in. W X 36 in. H X 1 in. D Polypropylene 700 MPR Pleated Air Filter 1 pk - Case of 4

Filtrete 12 in. W X 12 in. H X 1 in. D Polypropylene 700 MPR Pleated Air Filter 1 pk is engineered for standard residential HVAC applications, using electrostatic polypropylene pleated media to attract and capture everyday household particles like dust, pollen, pet dander, and lint as air moves through your heating and cooling system, supporting a cleaner indoor environment when replaced on a regular three‑month basis.

Designed to improve everyday air quality in residential furnaces and central air conditioning systems, this pleated filter helps trap common airborne contaminants, including dust, lint, pollen, and pet dander as air cycles through your ductwork, and is recommended for replacement approximately every 90 days for optimal performance. The 700 MPR electrostatically charged polypropylene media offers MERV 8‑equivalent filtration that outperforms basic flat‑panel filters.

This electrostatically charged polypropylene pleated filter works continuously to trap common household contaminants such as dust, pollen, pet dander, and lint as they pass through your furnace or central air conditioning system. With a 700 MPR performance rating (approximately MERV 8), it provides enhanced filtration over basic non‑pleated filters while maintaining dependable airflow in 1‑inch filter slots, and should be replaced roughly every 90 days for best results.