SKU | 7100189216 |
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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. For residential use only.
- #1 Recommended Brand* (*Filtrete Brand is the most recommended brand of HVAC Air Filters based on the US Filtrete Brand Health Tracker, Ipsos, June 2022)
- The higher the MPR, the more microparticles--such as pollen, pet dander, smoke, bacteria and viruses--your filter will capture from the air passing through it
- FOR OPTIMAL PERFORMANCE of your heating & cooling system or HVAC system, change your home air filter at least every 90 days for 1 inch filters
- A dirty filter will slow down air flow and make the system work harder to keep you warm or cool--wasting energy. Sign-up for a filter change reminder program (www.filtrete.com/ChangeReminders) that works for you!
- OUTPERFORMS FIBERGLASS, WASHABLE AND NON-ELECTROSTATIC 3-month pleated 1 in. home air filters for your furnace, air conditioner or HVAC system
- DESIGNED WITH EXCLUSIVE Filtrete™ Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through
Product Dimensions |
Imperial | Metric |
Weight | 1.0115 lbs | |
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Width | 17.83858 | |
Length | 0.77992 | |
Height | 23.84016 | |
Thickness | 1 in | 2.54 cm |
Shipping Dimensions |
|
Weight | 4.046 lb |
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Length | 18.3748 in |
Width | 4.3748 in |
Height | 25 in |
PRODUCT FAQ
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Is the Filtrete™ Premium Allergen, Bacteria & Virus Air Filter easy to install?
Yes, the Filtrete™ air filter is designed for quick and hassle-free installation. Simply follow the instructions provided on the packaging or visit our website for installation tips.
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How often should I replace this particular air filter?
We recommend replacing the 3M Filtrete™ Premium Allergen, Bacteria & Virus Air Filter every 6-12 months for optimal performance. However, depending on your unique environment and usage, you may need to change it more frequently.
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Does the 1900 MPR rating mean this air filter is effective against common allergens like dust mites and pet dander?
Absolutely! The high 1900 MPR (Microparticle Performance Rating) indicates that this Filtrete™ air filter is highly efficient at capturing microscopic particles such as allergens, bacteria, and viruses floating in your indoor air.
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Can I use this specific size of the Filtrete™ Premium Allergen Air Filter in my HVAC system at home?
Certainly! The UA21-4 model measuring 18 in x 24 in x 1 in (45.7 cm x 60.9 cm x 2.5 cm) fits most standard residential HVAC systems perfectly. Just ensure it matches your system's specifications before purchasing for a snug fit that works effectively.
At 3M, we believe that your home should be a place of comfort and relaxation. That's why we have developed the Filtrete Premium Allergen, Bacteria & Virus Air Filters. These innovative filters are designed to help create a cleaner and fresher home environment by capturing unwanted particles from your household air.
High performance filters for improved air qualityOur Filtrete Premium Allergen, Bacteria & Virus Air Filters are not just ordinary filters. They are specially engineered to proactively capture dust, bacteria, viruses, and allergens, helping to improve the air quality in your home. With their high performance design, these filters are able to effectively remove these unwanted particles, ensuring that you and your family can breathe easier.
Protecting your home and your healthBy using Filtrete Premium Allergen, Bacteria & Virus Air Filters, you are taking a proactive step towards creating a healthier living environment. Dust, bacteria, viruses, and allergens can all contribute to poor indoor air quality, which can have negative effects on your health. Our filters are designed to help reduce these harmful particles, providing you with cleaner and fresher air to breathe.
Experience the differenceExperience the difference that Filtrete Premium Allergen, Bacteria & Virus Air Filters can make in your home. With their advanced filtration technology, these filters are able to capture even the smallest particles, helping to create a cleaner and healthier living space. Say goodbye to dust, bacteria, viruses, and allergens, and say hello to a cleaner, fresher home environment.