Filtrete NDP01-4S-4 Air Filter, Electrostatic, 4 in Thick, 25 in L, 16 in W, 12 MERV, 1550 MPR, 4/PK

Your home should be your sanctuary, starting with the air you breathe. Filtrete™ healthy living air filters help capture unwanted particles from your household air, contributing to a cleaner, fresher home environment. By proactively capturing dust, bacteria, viruses and allergens, these high-performance filters help improve your home's air quality.

Measures 4 in thick, with filter efficiency 97 %, filter media Synthetic, frame color Purple.

• 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
• Attracts and captures microscopic particles such as smoke, cough and sneeze debris, bacteria and viruses and large particles, including lint, household dust and pollen
• The higher the MPR, the more particles the filter captures, select 2500 or 2800 MPR to also capture ultrafine particles
• For maximum performance of your heating and cooling system or HVAC system, change your home air filter at least every 90 days for 1 in filters and at least every 12 months for 4 in and 5 in filters
• For residential use only
• The higher the MPR, the more micro particles such as pollen, pet dander, smoke, bacteria and viruses and your filter will capture from the air passing through it