Get noticeably fresher air with Filtrete micro-allergen reduction furnace filters by 3M. These electrostatic air filters turn your central heating and cooling system into a high-power filtration system that will trap microparticles such as dust, pollen, and pet dander to help you breathe easier. For best results, replace your filter every 3 months. This particular model measures 14 inches x 20 inches and carries an MPR of 1000.
- Attracts and captures microscopic allergens like pet dander, smoke, household dust, and large allergens like pollen and mold spores
- Carries a 1000 Microparticle Performance Rating (MPR)
- Lasts up to three months
- Outperforms fibreglass, washable, and non-electrostatic pleated 1-inch (2.5 cm) filters
- Noticeably fresher air
- For residential use only