21x21x1 MERV 13 AC Furnace Filters

Marsoni

M251S

$141.54

Get it in 3 business days with 1 day shipping. Friday, May 29

21x21x1 MERV 13 AC Furnace FiltersActual Size: 20 3 4 x 20 3 4 x 3 4 (20. 75 x 20. 75 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, smog and other contaminants. Ideal for customers looking for superior filtration Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 13 is equivalent to MPR 2200 2400 Made in the USA. Nordic Pure MERV 13 Pleated AC Furnace Air

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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The mouse gave me a little trouble when it was in the back port of my pc tower, but worked perfect when i plugged it into one at the front. The light was flickering for "low power" despite new batteries being in it, but worked great after playing with it for a few minutes. The mouse is really easy to work with and is silent, which is nice when you're in an atmosphere with other people. I found it fit well in my hand and didn't cause any discomfort. i believe it to be reasonably priced for the design.

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Reviewed in the United States on April 1, 2026

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Craig Carf

Whiting, US

★★★★★ 5

Great product and price

Color: Blue

Vibrant colors. Works great and paired easily with my computer. I would buy again.

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Reviewed in the United States on May 16, 2026

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Merry Looser

Birmingham, US

★★★★★ 5

Nice mouse nice price

Color: Purple

This mouse works very well and I’m very satisfied with it

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Reviewed in the United States on June 6, 2026

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Jenna

Lexington, US

★★★★★ 4

Great little mouse for a low price

Color: Purple, Color: Purple

For about $10 this was a great little mouse! The buttons are super quiet and the shape seems comfortable. I work from home and I bought this as a last min I need it tomorrow kind of deal. I guess I should have looked into the description more as this is a tiny little mouse. I've gotten more used to it as the day goes on, but I am definitely ordering something bigger. This will make a fine little back up mouse though. PROS: Super quiet Adjustable pointer speed button Nice shape Accurate color CONS: Super tiny It goes into sleep mode a bit fast for me personally and then takes (what feels like) forever to wake back up again (probably about 30-45 seconds,

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Reviewed in the United States on May 1, 2026

Verified Purchase

Book lovin' diva

Houston, US

★★★★★ 5

easy to use!

Color: Purple

I needed a new mouse and decided to give this one a try. It is easy to set up, fits perfectly on my hand, clicking is smooth and reliable. no complaints! it does have the sleep mode where it turns off automatically, which saves your battery and that is great!

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Reviewed in the United States on April 22, 2026