Filtrete™ Premium Allergen, Bacteria & Virus Air Filter, 1900 MPR, UA21-4, 18 in x 24 in x 1 in (45,7 cm x 60,9 cm x 2,5 cm)

SKU 7100189216 Legacy SKU 70009106637 UPC 00051111024126 Catalog Number UA21-4 Product Number UA21-4 The Filtrete Premium Allergen, Bacteria & Virus Filter outperforms all 1" filters. It attracts and captures microscopic particles like bacteria and particles that can carry viruses and large particles like mold spores and pollen. MAKE YOUR HOME YOUR SANCTUARY: 1-pack of 3-month pleated Filtrete 18x24x1 MERV 13 MPR 1900 AC Furnace Air Filter helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environmentTOP PICK: Selected by The New York Times Wirecutter for its ability to clean the air of ultrafine particles without straining your HVAC system.EXCLUSIVE TECHNOLOGY: HVAC filter designed with Filtrete 3-in-1 technology to pull in and trap unwanted particles, allowing cleaner air to flow throughHIGHEST AIRFLOW: Filtrete MPR 1900 air filters deliver better airflow than any other brand’s residential 1” retail MERV 13 filters, based on California Energy Commission claimed data as of 1/29/2025CAPTURES MICROPARTICLES: AC Filter with a 1900 MPR and MERV 13 rating, as well as a 62% microparticle capture rate, your Filtrete Filter will help capture many microparticles between 0.3 and 1 micron from the air passing through itCERTIFIED: This furnace filter is CERTIFIED asthma and allergy-friendly (2) and helps capture dust, lint and other allergens in your household air