Filtrete Air Filter

This specific filter is designed for a long lifespan and should be replaced annually. While standard filters often require changes every three months, the 4-inch depth of this model allows it to maintain performance for up to 12 months.

MPR (Microparticle Performance Rating) is Filtrete's proprietary system for measuring how well a filter captures small particles, while MERV (Minimum Efficiency Reporting Value) is an industry-standard scale. This filter carries a MERV 12 rating, which indicates it is highly effective at capturing fine particles like smoke, bacteria, and virus-carrying aerosols.

This filter has a nominal size of 20x25x4 inches, but you should always check your current filter or HVAC unit's manual for the exact dimensions. The actual measurements are 19.88 in. x 24.63 in. x 4.31 in., so ensure your filter housing can accommodate that 4-inch thickness.

Yes, the electrostatically charged media acts like a magnet for airborne contaminants. This allows the filter to attract and trap smaller particles like pet dander and smoke without restricting airflow as much as a denser, non-charged filter might.

Absolutely. The high filtration efficiency is specifically designed to capture pet dander and other common household allergens, making it a strong choice for improving air quality in homes with shedding pets.