Filtrete 20x20x1 MPR 1900 MERV 13 Air Filter - Ultimate Allergen

In this review the Filtrete 20x20x1 MPR 1900 filter is evaluated as a straightforward option for homes where air quality matters without complicated installation. The reviewer found the six-pack of pleated 1-in filters best suited to households looking to reduce dust, allergens and many microparticles over standard furnace filters. The single biggest reason to buy is the combination of a high MPR 1900 / MERV 13 rating and Filtrete's 3-in-1 technology, which together provide noticeably cleaner air between quarterly changes.

Key Features

• High particle capture: With an MPR 1900 rating and a MERV 13 level, the filter captures a wide range of small particles to improve indoor air quality.
• Filtrete 3-in-1 technology: The pleated media is designed to pull in and trap unwanted particles while allowing air to flow efficiently through HVAC systems.
• Certified for allergy relief: This filter is certified asthma and allergy-friendly, which helps reduce common household allergens that can impact sensitive occupants.
• Practical pack size: The 6-pack provides three months of recommended service life per filter for up to 18 months of coverage when changed quarterly.
• Exact dimensions listed: The filter's true size of 19.69 x 19.69 x 0.78 in clarifies fit for systems that need more precise sizing than nominal dimensions.

Who It's For

The Filtrete 20x20x1 MPR 1900 is aimed at homeowners or renters who want a higher-performance disposable filter that targets allergens, dust and many microparticles without moving to a whole-home air cleaner. It suits families with allergy or asthma concerns who want a certified option and who can follow a 90-day replacement schedule.

It is less appropriate for systems that require thicker media (2 or 4 in) or for users seeking washable or permanent filters; those shoppers should look for deeper pleated filters or electronic cleaners to reduce frequency of replacement.

Pros & Cons

Pros

• High MPR 1900 and MERV 13 capture many microparticles and allergens.
• Certified asthma and allergy-friendly performance for sensitive households.
• Six filters in a pack provide convenient quarterly replacements for multiple cycles.
• Precise dimensions listed to avoid fit ambiguity with nominal sizes.

Cons

• One-inch thickness means more frequent changes compared with thicker filters to maintain optimal airflow and performance.
• Disposable design produces recurring purchase needs rather than a reusable solution.

Specifications

Brand	Filtrete
Size (exact)	19.69 x 19.69 x 0.78 in
MPR	1900
MERV	13
Pack quantity	6 filters
Recommended change interval	Every 90 days (3 months)

Our Verdict

The Filtrete 20x20x1 MPR 1900 is a sensible purchase for homeowners who want reliable allergen and particulate capture from a disposable filter. Its combination of MPR 1900, MERV 13 rating and certified asthma and allergy-friendly status makes it good value for those willing to replace a 1-in filter quarterly rather than invest in thicker or reusable options.

Frequently Asked Questions

How often should I change this filter?
Filtrete recommends replacing this 1-in filter at least once every 90 days for optimal performance.

Will this fit my furnace or HVAC return?
The true dimensions are 19.69 x 19.69 x 0.78 in, so measure your filter slot before purchasing rather than relying on nominal sizes.

Is this suitable for allergy sufferers?
Yes, the filter is certified asthma and allergy-friendly and its MPR 1900 / MERV 13 ratings help capture common allergens.