20x25x4 Air Filter Filtrete 2 Pack

• Certified allergy and asthma friendly. Captures lint, household dust, dust mite debris, mold spores, pollen, pet dander, smoke, smog particles, cough/sneeze debris, bacteria, viruses.
• For residential use only.
• Recommended filter change is every 12 months or less.
• 1550 MPR available in 4, 4 slim fit and 5 air filters.
• Filtrete 1550 MPR (Microparticle Performance Rating) equates to MERV 12.
• Outperforms fiberglass, washable and non-electrostatic 3-month air filters.
• Designed with 3-in-1 technology to trap particles and let cleaner air flow through.
• Attracts and captures microscopic particles, like smoke, bacteria and viruses.
• Attracts and captures large particles, like lint, household dust and pollen.
• Actual size is 4-5/16 inches X 19-7/8 inches X 24*5/8 inches.

Your home should be your sanctuary, starting with the air you breathe. Filtrete Allergen, Bacteria & Virus Air Filters help capture unwanted particles from your household air, contributing to a cleaner, fresher home environment. Designed with exclusive Filtrete Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through, these high-performance filters help improve your homes air quality.

A dirty filter will slow down air flow and make the system work harder to keep you warm or cool wasting energy.  For residential use only.