Will a 24x30x2 filter fit my return grille?

Only if the grille takes a nominal 24x30x2. The actual size is 23.50 x 29.50 x 1.75 inches, so measure the slot before ordering.

Is MERV 13 too restrictive for my furnace?

MERV 13 is denser than MERV 8 and can raise static pressure. If your blower is marginal or the system ices up or runs hot, step down to MERV 11 or 8.

How often should I change these?

Filterbuy recommends every 90 days. Shorten that in wildfire smoke season or a dusty home, and check monthly.

What does MERV 13 catch?

Filterbuy rates it to trap 98% of dust particles plus smoke, smog, pollen, mold spores and dander, comparable to MPR 1900 and FPR 10.

Is the six-pack worth it over singles?

At $141.96 at Walmart as of November 7, 2026, it works out to about $23.66 per filter, which suits a household that changes filters on schedule.

Can these be used in an AC, heat pump or furnace?

Yes. They are rated for furnace, air conditioner, heat pump and HVAC use, with arrows marking airflow direction.

Filterbuy 24x30x2 Air Filter MERV 13 Smoke Defense Pleated HVAC AC Furnace Filter Replacement 6-Pack

Q: Where is the Filterbuy 24x30x2 Air Filter MERV 13 Smoke Defense Pleated HVAC AC Furnace Filter Replacement 6-Pack cheapest?

At Walmart, for $141.96, as of our latest check.

Q: What do buyers say about the Filterbuy 24x30x2 Air Filter MERV 13 Smoke Defense Pleated HVAC AC Furnace Filter Replacement 6-Pack?

Rated 4.6 out of 5 from 1,307 ratings.

Q: Where can I buy the Filterbuy 24x30x2 Air Filter MERV 13 Smoke Defense Pleated HVAC AC Furnace Filter Replacement 6-Pack?

3 stores we checked sell it, including Amazon, Walmart, The Home Depot.

Best price now

$141.96at WalmartObserved at 9:51 PM

Compared across 2 stores. Prices are checked against each store and labelled with when.

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What reviewers say

4.6 / 51,307 ratings

Rated 4.6 out of 5 from 1,307 ratings, buyers generally report the filters fit as expected and hold up well. Complaints center on airflow restriction in some systems and on the bulk six-pack commitment.

What people mention

FitPraisedBuyers say the 23.50 x 29.50 x 1.75-inch actual size seats properly in nominal 24x30x2 slots.
BuildPraisedThe wire-backed frame is described as holding its shape without bowing.
AirflowMixedSome owners report the denser MERV 13 media strains weaker blowers, while others see no change.
FiltrationPraisedReviewers note less dust and smoke odor with these filters installed.
ValueMixedThe six-pack is convenient for a year and a half, but the upfront cost draws complaints.

About the Filterbuy 24x30x2 Air Filter MERV 13 Smoke Defense Pleated HVAC AC Furnace Filter Replacement 6-Pack

The Filterbuy replacement air filter 24x30x2 (actual size: 23.50" x 29.50" x 1.75") ensures that your furnace, air conditioner, heat pump, or HVAC system is circulating the cleanest air possible to help preserve your budget and healthy lifestyle. MERV 13 synthetic media (comparable with Healthy Living Ultimate Allergen Defense MPR 1900 & FPR 10) is recommended if you have a respiratory illness (such as asthma) with its capability to trap 98% of dust particles while protecting your home or business from bacteria, smoke, smog, lint, pollen, mold, dander, and other forms of debris without impacting air flow. High quality construction features an electrostatically charged design with 14 pleats per foot that captures more harmful particles and prolongs the products lifespan by three times that of fiberglass models (replace every 90 days for best results). Plus, our industrial grade beverage board frames are paired with dual wire backings that significantly outperform traditional cardboard compositions by improving structural integrity with their ability to endure temperatures up to 200 degrees Fahrenheit and withstand exposure to moisture. Installation is also made simple with the addition of easy-to-understand arrows that help identify the direction of air flow and subsequently the way the filter needs to be placed. To top it off, all our components are 100% manufactured within the United States and designed with recyclable materials, providing an eco-friendly alternative to enhancing your air quality.

Filterbuy 24x30x2 Air Filter MERV 13 Smoke Defense Pleated HVAC AC Furnace Filter Replacement 6-Pack

Best price now

Filterbuy 24x30x2 Air Filter MERV 13 Smoke Defense Pleated HVAC AC Furnace Filter Replacement 6-Pack

Best price now

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