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

Designed to fit tall, narrow returns, this 12 x 36 x 1-inch Filtrete Allergen Defense filter uses pleated electrostatic media with 3‑in‑1 technology to improve whole‑home air quality through your furnace or central AC system. With a 1000 MPR (MERV 11) rating, it helps capture microscopic particles such as pet dander, smoke, and smog, plus larger allergens, including lint.

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.

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.