21 1/2x23x1 Exact MERV 12 Plus Carbon AC Furnace Filters

21 1/2x23x1 Exact MERV 12 Plus Carbon AC Furnace Filters

Marsoni

M251S

$121.70

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

21 1/2x23x1 Exact MERV 12 Plus Carbon AC Furnace FiltersActual Size: 21 1 2 x 23 x 3 4 (21. 5 x 23 x 0. 75) Removes lint, household dust, pollen, smoke particles, dust mites, pet dander, virus carriers, mold spores, help eliminate unwanted odors and other contaminants. Ideal for customers who not only need odor control but whose daily life demands high filtration Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame. Nordic Pure MERV 12 is equivalent to MPR 1500 1900 Made

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These were great for my small Yorkie puppy. She had to is bite issue and we needed these tennis balls to help her stretch and correct her jaw. Squeaker works well. The chewing helped but it wasn’t necessarily “chew resistant”. the little fibers from the ball will start to come off and dog will hack a bit. For that reason, I am unsure of the safety of it long term. Must be supervised always. Will try a def brand next time but this helped our lady w her jaw pain/issue.

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Reviewed in the United States on May 25, 2026

Verified Purchase

Gladys M.

New York, US

★★★★★ 5

So much fun!

Size: 10 Pacck, Color: Yellow

Dog LOVES these balls!!! Perfect size for Havanese. Both of us are happy.

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Reviewed in the United States on March 27, 2026

Verified Purchase

Rebecka

Omaha, US

★★★★★ 5

SO MANY BALLS!

I thought id see how my Boston wud react with so many balls to choose from LOL! I love that the squeaker is internal on this toy. On the ones that hv the plug style squeaker my Boston will pull it out then proceeds to pull off the material and a slimy ball is no fun...LOL

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Reviewed in the United States on March 3, 2026