Filtrete 14x24x1 AC Furnace Air Filter MERV 13 - Premium Allergen

In this review of the Filtrete 14x24x1 AC Furnace Air Filter MERV 13, the bottom line is simple: this two-pack is for homeowners who want higher-efficiency particle capture without a noticeable drop in HVAC airflow. It stands out for its MPR 1900 rating and Filtrete 3-in-1 technology, which together are designed to trap very small particles such as bacteria, some virus-carrying particles, smoke and pollen while still letting air circulate efficiently. Those focused on allergy and asthma relief will find the certified performance notable.

Key Features

• High capture efficiency: The MPR 1900 and MERV 13 ratings help capture microparticles between 0.3 and 1 micron, including smoke, bacteria and fine dust.
• Filtrete 3-in-1 technology: The pleated, electrostatic design pulls in and traps unwanted particles while allowing cleaner air to move through your HVAC system.
• Optimized airflow: Claimed to deliver the highest airflow among residential 1-in MERV 13 filters, so it reduces strain on many furnaces and air conditioners.
• Certified allergy-friendly: This filter is certified asthma and allergy-friendly, which supports its use in homes where occupants have respiratory sensitivities.
• Two-pack convenience: Ships as a 2-pack of 3-month pleated filters so you can replace filters on a seasonal schedule or share with another unit.
• Exact fit warning: Nominal size is 14x24x1 but the actual dimensions are 13.81x23.81x0.78 in, so verify compatibility before buying.

Who It's For

This Filtrete filter is best for homeowners and renters with central HVAC systems who prioritize cleaner indoor air for allergy or asthma management, or who want to reduce fine particles like smoke and bacteria. The filter's certification and high MPR rating make it a strong choice for bedrooms, living rooms and other commonly occupied spaces.

It may not be ideal for systems requiring exact nominal dimensions without room for tolerance, or for users who need a very low-cost, minimal-filtration option. If a system explicitly specifies a different thickness or a non-pleated style, another filter type should be chosen.

Pros & Cons

Pros

• High microparticle capture with MPR 1900 and MERV 13 for better removal of fine particles.
• Designed to maintain strong airflow compared with other residential MERV 13 1-in filters.
• Certified asthma and allergy-friendly, appealing for sensitive households.
• Two-pack supply makes routine replacement straightforward and convenient.

Cons

• Actual dimensions differ slightly from the nominal size, so some furnaces report fit issues.
• Higher-performance filters can cost more than basic disposable options, which some users flag as value concerns.

Specifications

Brand	Filtrete
Actual size	13.81 x 23.81 x 0.78 in
Nominal size	14 x 24 x 1 in
Filter rating	MPR 1900, MERV 13
Pack quantity	2-pack
Recommended change interval	Every 90 days (3 months)
Certifications	Asthma and allergy-friendly certified

Our Verdict

The Filtrete 14x24x1 MERV 13 filter is a solid choice for those who want effective capture of fine particles without sacrificing airflow; its certified allergy-friendly status and MPR 1900 rating make it especially suitable for homes with respiratory concerns. Verify the slight difference between nominal and actual dimensions before purchasing to ensure a proper fit, but for many users this two-pack represents sensible value and reliable seasonal replacement.

Frequently Asked Questions

Will this filter fit my 14x24x1 slot?
The nominal size is 14x24x1, but the actual size is 13.81x23.81x0.78 in, so check your slot tolerance and any framing before buying.

How often should I change the filter?
For optimal performance Filtrete recommends changing the filter at least once every 90 days; the Smart App can set 30-, 60- or 90-day reminders.

Can it capture bacteria and virus particles?
With a MPR 1900 and MERV 13 rating the filter helps capture many microparticles including bacteria and particles that can carry viruses, along with smoke and pollen.