Filtrete 20x25x1 MERV 13 Furnace Air Filter - Premium Allergen

In this review the Filtrete 20x25x1 MERV 13 furnace air filter stands out for homeowners who want stronger particle capture without sacrificing airflow. The 6-pack of 1-in pleated filters carries an MPR 1900 rating that targets fine particles such as pollen, pet dander, smoke and particles that can carry bacteria and viruses, making it a clear choice for allergy sufferers or anyone wanting improved indoor air quality. For those who want a straightforward maintenance rhythm, the filters are designed for a 90-day change interval and integrate with the Filtrete Smart App for reminder countdowns.

Key Features

• MPR 1900 / MERV 13: Captures a high percentage of microparticles, helping reduce pollen, pet dander and smoke from household air.
• 3-in-1 Filtration Technology: Designed to attract and trap microscopic and larger particles while allowing cleaner air to flow through the HVAC system.
• Electrostatic Pleated Design: Pleats and electrostatic charge increase particle capture without the bulk of thicker filters, helping maintain airflow.
• 90-Day Recommended Life: Intended for replacement at least every 90 days to protect system efficiency and avoid reduced airflow from a dirty filter.
• Smart App Compatibility: Barcode scan and change countdown in the Filtrete Smart App makes scheduling replacements easier and reduces forgotten changes.
• Certified Allergy Friendly: Certified as asthma and allergy friendly, which can be reassuring for households with sensitivities.

Who It's For

The Filtrete 20x25x1 MERV 13 filter is best for homeowners and renters with central furnaces or HVAC systems who want enhanced removal of fine particles and allergens without upgrading to thicker filter media. It is a sensible pick for families with allergy or asthma concerns, pet owners, or anyone exposed to occasional smoke or high outdoor pollen.

Those who need a filter for non-standard or unusually deep slots should look elsewhere, since this is a 1-in pleated filter sized to the actual dimensions listed. Also, buyers who prioritize an ultra-long life per filter or washable reusable filters may prefer different solutions.

Pros & Cons

Pros

• High particle capture rate for fine particles, offering noticeable improvement in indoor air quality.
• Maintains airflow while outperforming basic fiberglass filters, which helps HVAC efficiency.
• Smart App countdown and barcode scan simplifies timely replacements.

Cons

• Some users report variability in durability and occasional fit differences compared with prior 20x24x1 filters, so check sizing before installing.

Specifications

Our Verdict

The Filtrete 20x25x1 MERV 13 furnace air filter is a practical, cost-effective choice for homes seeking better allergen and fine-particle removal without sacrificing HVAC airflow. The six-pack and app-based reminders add convenience, and the certified allergy-friendly performance makes it a smart value for families and pet owners who want cleaner air and a well-maintained heating and cooling system.

Frequently Asked Questions

How often should I change this filter?
Filtrete recommends changing 1-in filters at least every 90 days; heavy use or high particle loads may require more frequent changes.

Will this fit my furnace or HVAC system?
Check your filter slot or existing filter for the actual dimensions; these filters measure about 19.69 x 24.69 x 0.78 in and are designed for standard 20 x 25 x 1 applications.

Does it reduce allergens and viruses?
With MPR 1900 and MERV 13 performance this filter captures a high percentage of small particles, including many allergens and particles that can carry bacteria or viruses, and is certified as asthma and allergy friendly.