Electro-Air 20X21X5 Air Filters
Actual Size: 19.88x20.5x4.38
3 month filters
2. Select Quantity
Made in the USA
Ships in 24 hours
Electro-Air 20X21X5 Air Filters Air Filter Description
Available In MERV Rating: 8
Made in the USA
Ships in 24 hours
Merv comparison
| What it captures | MERV 8EssentialDust & Allergen Defense |
|---|---|
| Comparable ratings | MPR 700 & FPR 5 |
| Dust & Debris | Yes |
| Dust Mites | Yes |
| Pollen | Yes |
| Mold | Yes |
| Lint | Yes |
| Dander | Yes |
| Smoke & Smog | No |
| Bacteria | No |
| Odors | No |
| Shop MERV 8 |
Is it time to change your filter?
Generally, we recommend you replace your air filters every 90 days. Find out below if you should change your filters more often.
If someone in your home has asthma or allergies...
Change your filter every
6 weeks
to ensure indoor air quality is at its best.
If you have pets...
Change your filter every
2 months
to avoid shedding and odor buildup.
If you have young children...
Change your filter every
2-3 months
as having clean air is even more important with children in your home.
If someone in your home has asthma or allergies...
Change your filter every
6 weeks
to ensure indoor air quality is at its best.
If you have pets...
Change your filter every
2 months
to avoid shedding and odor buildup.
If you have young children...
Change your filter every
2-3 months
as having clean air is even more important with children in your home.