High Quality & Made In The USA
Replace your current furnace air filter with a premium high quality 21×23 1/4×1 MERV 10 P + Carbon filter. Ideal for customers who not only need odor control but whose daily life demands high filtration. All Nordic Pure brand products are proudly made in the USA.
MERV 10 P + Carbon Pleated AC Furnace Filter Features
A blend of MERV 10 P + Carbon rated filter material produces a high filtration option for everyday families. 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
Affordability & High Quality
Don’t break the bank maintaining your pleated MERV 10 P + Carbon 21×23 1/4×1 furnace filter, Filters2Go supply competitively priced high quality replacement filters for almost all filter sizes. We make our filters so affordable they even include delivery with tracking!
What’s Included
Your chosen quantity of
Nordic Pure MERV 10 P + Carbon 21×23 1/4×1 Filters
Hypoallergenic, antimicrobial, and electrostatic filter media. Moisture resistant frame..
Nominal Size: 21×23 1/4×1
Actual Size: 21 x 23 1/4 x 3/4 (21 x 23.25 x 0.75)
Nordic Pure MERV 10 is equivalent to MPR 1000
Made in the USA.
Free Delivery – USA only
Full Product Details
Nordic Pure Custom MERV 10 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30-90 days. Our 4, 5 and 6-inch thick filters could last up to 6 months.
EXACT MEASUREMENT: Furnace and air condition filters have an actual size that is a fraction of an inch smaller in length and width than the listed air filter size. Please use a tape measure to get the actual size of your current air filter when ordering custom sizes. You might check the actual sizes of our other air filters to make sure a standard size air filter wouldn’t work for you. The actual width and length of the air filter should be within 1/8 of an inch-if not, order a custom size air filter.
CONSTRUCTION: Our custom pleated carbon air filters are made by cutting down or combining 1, 2 or 3 A/C air filter frames. Depending on the size we may use tape to make your custom size air filters.
RETURNS: Custom Carbon AC furnace air filters are not returnable since we hand make them per your exact dimensions when you enter your air filter size above. Since you can’t return custom sized air filters, please make sure you order the EXACT size you need to the fraction of an inch.
NEED MORE HELP: Not sure which custom furnace air filters are right for you? Just give us a call today at 1-800-590-0339 or email us at info@nordicpure.com.
Furnace Filter Replacement Instructions
The effective life of your AC air filter depends on both the inside and outside conditions in which you live. It is important to regularly change your furnace air conditioner filters especially during any home improvements for fresh, clean air in your home or office. We recommend that you change your air filter every 30-90 days to maintain maximum efficiency and economy.
View the below furnace filter cleaning instructions
Video Tutorial For Replacing Furnace Filter
Frequently Asked Questions
How often should I replace my furnace filter?
The interval between replacing your furnace filter will mainly depend on the air quality of the internal space and external environment. We recommend the below guide to help maintain your appliance and indoor air quality.
It is important to regularly change your furnace air conditioner filters, especially during and after any home improvements for fresh, clean air in your home or office. We recommend that you change your air filter every 30-90 days to maintain maximum efficiency and performance.
Users who have pets and live in dusty or polluted environments like cities will likely need to replace their furnace filter every calendar month.
Users who have no pets and live in low dust / polluted environments will be able to stretch this out to 90 days.
What are filter MERV ratings?
MERV ratings are Minimum Efficiency Reporting Values, or MERVs, report a filter’s ability to capture larger particles between 0.3 and 10 microns (µm).
This value is helpful in comparing the performance of different filters
The rating is derived from a test method developed by the American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE). The higher the MERV rating the better the filter is at trapping specific types of particles.
Average Particle Size Efficiency in Microns
MERV Rating / Efficiency
1-4 / 3.0 – 10.0 less than 20%
6 / 3.0 – 10.0 49.9%
8 / 3.0 – 10.0 84.9%
10 / 1.0 – 3.0 50% – 64.9%, 3.0 – 10.0 85% or greater
12 / 1.0 – 3.0 80% – 89.9%, 3.0 – 10.0 90% or greater
14 / 0.3 – 1.0 75% – 84%, 1.0 – 3.0 90% or greater
16 / 0.3 – 1.0 75% or greater
All furnace filters require regular replacement to function properly. Follow the manufacturer’s or filter suppliers recommendations on maintenance and replacement.
How does a furnace filter help improve indoor air quality?
A furnace filter will help remove pollutants, VOC’s, pollen, dust and other particles from the air in your home. Over time dirt and pollutants start to build up and block the filters ability to clean the air, this is the reason it is important to regularly replace your furnace filter.
– Free Delivery
– 30-day Return Policy
– Global Delivery Service
– Tracking Information
Filters2Go.com stock a range of vacuum, air purifier, car cabin air filters and more. All purchases come with free delivery and a 30-day return policy.
Keep breathing clean air and remember to change your air filter on a regular basis.
How clean is the air in your home?
Pet dander, mold spores, harmful gases and other airborne particles can quickly overcome a household,
potentially leading to bad odors, allergies and sickness.
Find an air purifier filter here at Filters2go.com
How clean is the air in your car?
Find a car cabin air filter here at Filters2go.com
Does your vacuum still suck like the good old days?
The filter life of most vacuums is 3-6 months.
Find a vacuum filter here at Filters2Go.com
Why is clean air important?
Don’t listen to some company about what is good and not good for you, listen to the experts – Lung.org
While it’s easy to see when you need to dust or sweep, it’s harder to know when the air in your home needs cleaning. In fact, the indoor air you breathe can be hazardous to your health without any telltale signs. Indoor air can be even more polluted than the air outdoors. Don’t let the air in your home threaten your family’s health, especially if someone in your family has asthma or another lung disease. Let us show you how to protect them. Get a new filter now @ Filters2Go.com
Thank you for viewing – Home Furnace Air Filter 21×23 1/4×1 MERV 10 P + Carbon HVAC AC Replacement
If you were unable to find the filter you were looking for please let us know and we will source the filter for you – Request an air filter by visiting our Contact us page.
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