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20 x 20 x 4 Air and Furnace Filters
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This filter size is available in SC80, SC60, SC40, Baking Soda, Activated Carbon, Emerson Replacement, White-Rodgers Replacement and White Rodgers.  
Available MERV ratings are MERV 13, MERV 11, MERV 8, MERV 8 - Baking Soda and MERV 8 - Carbon.  
Features and particles that apply to the listing below include Auto Emissions, Bacteria, Dander, Dust Mite Debris, Equipment Protection, Lint/Heavy Dust, Mild Odors, Mold Spores, Pollen, Pollution, Settling/Average Dust, Severe Odors, Sub-Pollen Particles, Suspended/Fine Dust, Tobacco Smoke Odor, Tobacco Smoke Particles and Viruses.  Click on "Details" next to the filter brand for complete information regarding that brand.
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Enter a Quantity and click the "Buy" button.
| Details | Brand / Actual Size | MERV | Price / Filter | # Filters | Price / Case | Cases |
 | SC40 |
| | A MERV 8 rating will protect your equipment and capture:
- Settling/Average Dust Particles
- Mold Spores
- Dust Mite Debris
- Pet Dander
- Pollen
Captures large amounts of dust and common allergens
Ideal for those with mild allergies
Made with heavy-duty materials to provide a sturdy filter
Available in custom sizes See More |
| 19‑1/2" x 19‑1/2" x 3‑3/4" | MERV 8 | $12.96 | 3 | $38.88 | |
| Details | Brand / Actual Size | MERV | Price / Filter | # Filters | Price / Case | Cases |
 | Baking Soda |
| | A MERV 8 Baking Soda Pleated Filter is recommended for mild odors and will protect your equipment and capture:
- Settling/Average Dust Particles
- Mold Spores
- Dust Mite Debris
- Pet Dander
- Pollen
Take a look at the features below to see if a Baking Soda Air Filter is a good choice for you!
Sodium Bicarbonate-Infused media to help neutralize common household odors Captures large amounts of dust along with common allergensIdeal for those who want to freshen the air and deodorize mild odorsAlso suitable for those with mild allergies
Made with heavy-duty materials to provide a sturdy filter Not available in custom sizes See More |
| 19‑1/2" x 19‑1/2" x 3‑3/4" | MERV 8 - Baking Soda | $13.46 | 3 | $40.38 | |
| Details | Brand / Actual Size | MERV | Price / Filter | # Filters | Price / Case | Cases |
 | Activated Carbon |
| | A MERV 8 Activated Carbon filter is recommended for severe odors and will protect your equipment and capture:
- Settling/Average Dust Particles
- Mold Spores
- Dust Mite Debris
- Pet Dander
- Pollen
- Tobacco Smoke
* Best recommended filter specifically for the removal of smoke odor from tobacco or fire and other severe and objectionable odors from fumes, gases, and chemicals

Effectively removes severe odors from tobacco smoke, pets, chemicals, gases, and other strong household odors
Captures large amounts of dust and common allergens
Ideal for those who need to control serious odors
Also suitable for those with mild allergies
Made with heavy-duty materials to provide a sturdy filter
Filter fragrances are not recommended as carbon absorbs fragrances
Not available in custom sizes See More |
| 19‑1/2" x 19‑1/2" x 3‑3/4" | MERV 8 - Carbon | $20.00 | 3 | $60.00 | |
| Details | Brand / Actual Size | MERV | Price / Filter | # Filters | Price / Case | Cases |
 | White Rodgers |
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STANDARD HUMIDIFIER PADS:
These humidifier pads are constructed to provide a large surface area for water flow so as to evaporate quickly and provide more moisture (humidity) to your conditioned air. Change these pads at least once a year, more often if you have hard water where lime and scale deposits can build on your humidifier pad. A dirty or scaled pad will not work efficiently and much of the water fed to your humidifier will simply go down the drain. Humidifier pads are also known as humidifier filters, humidifier evaporator pads, humidifier water pads, humidifier vapor pads, humidifier wick filters, and humidifier belts.
Choose your model number:
WATER SAVER HUMIDIFIER PADS:
Water Saver humidifier pads are available for the following units and will use up to 50% less water. Humidifiers can use 20 gallons of water a day so the savings can be significant, especially to the environment. Water Saver pads should be changed twice as often as a standard pad. These pads are also treated with MICRO-FREE antimicrobial treatment to prevent mold growth. Humidifier pads are also known as humidifier filters, humidifier evaporator pads, humidifier water pads, humidifier vapor pads, humidifier wick filters, and humidifier belts.
Choose your model number:
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See More |
| 19‑1/2X19‑1/2X3‑3/4 | MERV 8 - Carbon | $20.00 | 3 | $60.00 | |
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