Filtrete 4" MPR 1550 MERV 12 Deep Pleat Air Filter 2-Pack

• Costco now offers Filtrete 1550 MPR Level 12 Air Filters, 4-inch (10.16 cm), 2-pack, now $33.99 (regular price $43.99).
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Editor's Pick: If you have pets at home or want to upgrade your AC system, consider switching to these filters. The 3-in-1 technology captures airborne particles like pet hair, smoke, and smog, and even traps pollen and dust. Certified asthma & allergy friendly, these filters give you peace of mind—especially great for families with babies or anyone prone to allergies.