Filtrete 20x25x4 AC Furnace Filter – MERV 13, MPR 1900, 2-Pack | Premium Allergen, Bacteria & Virus Filtration

Premium filtration for your home

The Filtrete Premium Allergen, Bacteria and Virus filter is our best performing 4-inch option. The Filtrete 20x25x4 MPR 1900 Air Filter, crafted by 3M, helps capture countless particles from your household air, contributing to a cleaner, fresher home environment.

Designed with exclusive Filtrete 3-in-1 technology, featuring MPR 1900 and MERV 13 ratings, this furnace filter is built to pull in and trap microscopic particles—such as pet dander, smoke, and bacteria—while still allowing cleaner air to flow through. It also captures larger particles, including lint, pollen, and everyday dust.

Key specs at a glance

• 2-pack of a 12-month filter; actual size 19.75 x 24.62 x 4.31 inches
• Designed to fit systems calling for a 4.31 inch-thick filter
• Exclusive Filtrete 3-in-1 technology for effective particle pull and trap
• Best performing 4-inch option in the MPR 1900 family
• Certified asthma and allergy-friendly
• Reminders via the Filtrete Smart App to change the filter on schedule
• North America’s most trusted HVAC filter brand in 2024

Real-life benefits you might notice

In homes with pets, cooking aromas, or smoke exposure, you may experience less visible dust and a fresher-feeling air. Families with kids and shared spaces often notice easier breathing during peak seasons and steadier airflow in HVAC operations.

How this supports your HVAC system:

• Captures microparticles while preserving air passage for efficient operation
• Reduces larger particles like pollen and dust that can accumulate on surfaces
• Consistent performance across seasons when changed regularly

Tips for getting the most out of your Filtrete filter

Double-check the exact size needed for your equipment, and use the 2-pack to simplify replacements. Set reminders with the Filtrete Smart App to stay on track. Remember: replace at least once per year for best results.