Amazon offers the Filtrete MPR 1000 20 x 25 x 4 (4-3/8 Actual Depth) Micro Allergen Defense Deep Pleat AC Furnace Air Filter, Uncompromised Airflow, Captures Small Particles, 4-Pack for $39.98 with free shipping.
Actual Filter Size: 19 15/16 24 5/8 x 4 3/8 Inches
Filtrete Allergen Defense air filters turn your central heating and cooling system into a whole house air cleaner. Featuring electro-static technology, these filters reduce airborne allergens such as household dust, lint, dust-mite debris, mold spores, pollen, pet dander and smog. For best results, change your filter every 6 to 12 months.
Filtrete 4" and 5 " filters help maintain airflow in heating and cooling systems, which helps prevent stress on the system and reduces the amount of energy needed to reach desired indoor air temperatures.
Replaces Honeywell, Aprilaire, SpaceGard(R), and Day and Night brand filters. Can replace 20 x 25 x 5 inch filters with the same actual size. It is recommended you measure your current filter or filter slot to determine exact actual size needed for your system.
Designed with Filtrete Brand 3-in-1 technology from 3M to pull in and trap unwanted air particles while letting clean air flow through
Microparticle Performance Rating 1000 [ Shop Now ]
