Filtrete 12x24x1 AC Furnace Air Filter MERV 13 - Premium Allergen

Our review of the Filtrete 12x24x1 MPR 1900 furnace air filter finds it best for homeowners and renters who want noticeably cleaner indoor air without reducing HVAC airflow. In controlled use it captures a wide range of particles including pet dander, pollen and many microparticles between 0.3 and 1 micron, so the biggest reason to buy is its combination of a high MERV 13 performance and claimed high airflow that keeps systems running efficiently while improving air quality.

Key Features

• High capture efficiency: The filter's MPR 1900 and MERV 13 rating help capture up to 62% of small particles like bacteria and particles that can carry viruses, improving overall household air cleanliness.
• Filtrete 3-in-1 technology: The electrostatic pleated media is designed to pull in and trap unwanted particles while allowing cleaner air to pass through.
• Certified for allergy concerns: This furnace filter is certified asthma and allergy-friendly, which supports use in homes with allergy sufferers.
• Three-month service interval: The 1-inch pleated design is intended for 90-day replacement cycles, with reminders available via the Filtrete Smart App to stay on schedule.
• Practical two-pack: Two 3-month filters are included, offering a straightforward way to maintain performance for roughly six months if used consecutively.
• Actual dimensions provided: The filter lists exact size as 11.69 x 23.69 x 0.78 in so buyers can check fit before purchase.

Who It's For

The Filtrete 12x24x1 MPR 1900 is aimed at households that want stronger particle capture without compromising HVAC airflow, particularly those with pets, seasonal allergies, or concerns about fine particles. It suits users who prefer a product with third-party certification for asthma and allergy friendliness and who will change filters every 90 days as recommended.

It may be less appropriate for buyers who need a nonstandard filter thickness or exact nominal sizing; some users report fit issues when equipment expects a slightly different nominal size. Also, those seeking a longer service interval should consider thicker or specialty filters designed for extended life.

Pros & Cons

Pros

• High MPR 1900 and MERV 13 capture improve indoor air quality for allergens and many microparticles.
• Designed to maintain better airflow than other residential 1-in filters, reducing strain on HVAC systems.
• Certified asthma and allergy-friendly, which provides reassurance for sensitive households.
• Includes two 3-month pleated filters for convenient replacement cycles and value over single packs.

Cons

• Actual dimensions differ slightly from nominal size, so some systems may require precise fitting or a different nominal size for a perfect seal.
• Compared with lower-rated filters, it can be pricier although many users consider the quality worth the cost.

Specifications

Product type	Pleated 1-in furnace/AC filter
Size (actual)	11.69 x 23.69 x 0.78 in
MPR	1900
MERV rating	MERV 13
Pack quantity	2-pack (two 3-month filters)
Intended service interval	Replace at least every 90 days
Certifications	Certified asthma and allergy-friendly

Our Verdict

The Filtrete 12x24x1 MPR 1900 is a strong choice for most homes that need improved particle capture without sacrificing airflow; its MERV 13 performance, allergy-friendly certification, and two-pack convenience make it a practical option for routine HVAC maintenance. Check actual dimensions before buying to ensure a proper fit if your unit requires exact nominal sizing.

Frequently Asked Questions

How often should I change this filter?
Change at least once every 90 days for optimal performance or follow the Filtrete Smart App reminders for 30, 60, or 90-day intervals.

Will this filter reduce airflow in my HVAC?
Filtrete claims this MPR 1900 filter delivers better airflow than other residential 1-in MERV 13 retail filters, helping avoid undue strain on the system.

Does the listed size match my system?
The actual dimensions are 11.69 x 23.69 x 0.78 in, which differ slightly from nominal size, so verify fit before installing.