If someone in your home has asthma or allergies change your filter every
6 Weeks
to ensure indoor air quality is at its best.
20" X 20" X 1" AIRx SHIELD Air Filter, 6-Pack
Made in USA
Compatibility guarantee — Wrong fit or not happy - we'll make it right, up to a whole year
Change every 1 months
Swap on schedule for best performance
Made with pride in the USA
Your purchase supports American jobs
MERV 5
Healthy Families
Actual Dimensions
19-1/2 × 19-1/2 × 3/4"
Compatibility guarantee
Wrong fit or not happy - we'll make it right, up to a whole year
Filter Description
If you want affordable filtration with enhanced protection for your HVAC system, AIRx SHIELD is the filter for you! Featuring high-loft polyester media, AIRx SHIELD captures more airborne dust and particles while maintaining excellent airflow. Designed for dependable 30-day performance, it helps keep your system cleaner and running efficiently. Purchase a case online and enjoy fast, convenient delivery right to your door.
- MERV 5 rated filtration helps capture dust, lint, pollen, and other airborne particles
- High-loft polyester media provides excellent dust-holding capacity and airflow
- Replace every 30 days under normal use
- Made with pride in the USA
- Compression-resistant fiberglass media has high dust-holding capacity
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$54.99
Code DF20Save 20%
$9.17 per filter
Code DF20Save 20%
SAVE 8%
6-pack
Pack Size
In Stock,
Ships onMonday, Nov. 16th
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Compatibility guarantee
Wrong fit, leak, or just doesn’t work? We’ll send the right one. Free return shipping for all orders.
365-day satisfaction
Not happy? Send it back any time in the first year — we’ll make it right. Yes, even an open pack you’ve been running for months.
No-hassle returns
No restocking fees, no return-merch authorization mazes — just start a return and our helpful Customer Experience team will assist.
Filter Maintenance
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 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.
Filter Specifications
Nominal Size
20 ×
20 ×
1"
Actual Size
19 ½ ×
19 ½ ×
¾"
Performance Testing
Particle size efficiency · MERV 5
Share of particles captured, by particle size
| 0.3–1.0 µm | 1.0–3.0 µm | 3.0–10 µm |
|---|---|---|
| 2.4% | 19.5% | 30.4% |
Airflow and resistance
Initial resistance at each airflow rate; lower resistance means less strain on your system
| Airflow rate (CFM) | 410 | 615 | 819 | 1024 | 819 |
|---|---|---|---|---|---|
| Initial resistance (in. w.c.) | 0.04 | 0.08 | 0.13 | 0.18 | 0.13 |
Max rated airflow
