12 x 20 x 1 MERV 11 Pleated Air Filter

$36.00 – subscription plans available

$6.00/each (6-pack)

Exact size: 11-1/2″ x 19-1/2″ x 3/4″

New six-pack of MERV 11 12x20x1 pleated air filters.

Made in the USA.

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Description

You already probably know the importance of replacing your 12x20x1 filter regularly in order to ensure a smoothly functioning system. But how often do you really need to replace your air or furnace filter? The golden rule for a 1-in. pleated filter is every three months. There are several factors that can possibly affect how often you need to change your filter.  If you do not use your system heavily throughout the year, you could very well go longer than three months between filter changes. On the other hand, if you have a lot of furry friends or live on a country gravel road, you will probably need to keep a closer eye on your filters. If you have severe allergies, you might consider changing your filters every 4-6 weeks to ensure that you allow your filters the best possible chance at collecting those unwanted and often distressing particles.

If you are considering this MERV 11 rated filter, you can be sure that will have superior dust protection, collecting dust that tends to float in the air. Did you know that the settling rate of a 1 micron particle is only 5.1 inches per hour? That means if your air is circulating, you have a pretty good chance of getting that particle into the ventilation so that it can be captured by your air filter before it settles onto a surface. While larger particles are generally removed in the nasal passages, particles in the 1 micron range are respirable and will reach the lungs where they can cause allergic responses. That is where a good pleated filter can come in handy! Although MERV 11 will do a very good job of collecting particles of this size, a MERV 13 will be the most effective and is what we recommend you consider if your allergies are advanced.

Take a look at our Filter Comparison Chart to help you with your decision. And, once you choose your filters we’ll ship them to you for FREE as long as you live in the contiguous USA!

Additional information

MERV Rating

Item Number

Actual Size

Case Size

Filter Features

Equipment Protection
Lint/Heavy Dust Protection
Mold Spores Protection
Settling/Average Dust Protection
Dust Mites Protection
Pollen Protection
Dander Protection
Suspended/Fine Dust Protection
Auto Emissions Protection
Smoke Particles Protection

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