3M - Filtrete 18 in. W X 24 in. H X 1 in. D 7 MERV Pleated Air Filter 1 pk

Built for everyday home use, this pleated MERV 7 filter helps reduce airborne dust and similar particles as air passes through your heating and cooling system, contributing to a cleaner indoor environment when replaced on a typical three‑month schedule. The pleated media is designed to outperform basic fiberglass filters by providing improved particle capture while still allowing dependable airflow in standard 1‑inch furnace and AC filter slots.