Filtrete Ultra Allergen Reduction Deep Pleat Filter NDP03-4IN-4

Key points

• Actual filter size is: 19.88 in x 24.63 in x 4.31 in
• This filter is compatible with Honeywell® furnaces calling for a 4" filter
• #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 12 months for 4 in
• 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!
• CAPTURES MORE PARTICLES than fiberglass air filters
• ATTRACTS AND CAPTURES particles such as lint, pollen, dust, pet dander, smoke and smog
• 54% SMALL PARTICLE CAPTURE, like bacteria and particles that carry viruses* (* % captured is based on ASHRAE 52.2 testing for 0.3 to 1 micron particles from the air passing through the filter, which relates to HVAC industry standard efficiency testing)
• MPR 1550 has a rating of MERV 12
• CREATE A CHANGE COUNTDOWN in the Filtrete™ Smart App. Simply use the app to scan the barcode on your filter’s packaging, then choose 3, 6, or 12 months for your replacement countdown. When the lifespan is up, you’ll get a notification to change your filter
• FOR RESIDENTIAL use only