【Easy Installation & Maintenance】 ✔️ Fits 12x12x1 slots (actual size: 11 3/4"x13 3/4"x3/4"). Align airflow arrows & slide into central units/return grilles. Replace every 90 days (30-60 days in peak seasons)
【Premium Filtration】 ✔️ MERV 13 (MPR 1500 & FPR 10) – Traps 98% of 0.3-1 micron particles (dust,lint,dirt,spores, pollen, pet dander, fine dust, and smoke,auto exhaust) for allergies homes 48-hour air improvement. Electrostatic pleats capture more without restricting airflow
【Value Pack Savings】 ✔️ 6-pack saves 15%+ vs. 4-pack! Ideal for homes, offices, schools, hospitals. Keep HVAC running smoothly & extend its lifespan with consistent, clean air
