Nordic Pure 20x20x1 MERV 12 Pleated AC Furnace Air Filter
Nordic Pure is the premier direct-to-consumer filter brand manufactured in the USA. Their 20x20x1 MERV 12 filter features moisture-resistant beverage board frames and synthetic media that does not support mold or bacterial growth.
3-Year True Cost of Ownership Model
Captures 65–79% of E2 allergens (1.0–3.0μm) with moderate fine smoke capture.
Moderate clean resistance (~0.20 in. w.g.) safe for most variable and PSC blowers.
Thermal beverage board frame with wire backing to prevent media collapse under blower load.
Bulk multi-pack procurement typically reduces annual per-filter cost by 25% to 40%.
- Excellent cost-per-filter in multipacks
- Made in the USA from non-woven synthetic media
- Naturally anti-microbial and moisture resistant
- Heavy-duty galvanized wire mesh backing maintains pleat geometry
- Actual size is 19.5" x 19.5" (may fit loosely in 19.75" return grilles)
- Must buy in packs of 4, 6, or 12 to get best value
Verified Engineering Specifications
| Nominal Dimensions | 20x20x1 | Actual Dimensions | 19.5 x 19.5 x 0.75 in |
|---|---|---|---|
| Filter Depth | 1 inch | Media Construction | Synthetic electrostatically charged media, anti-microbial treated |
| ASHRAE MERV Rating | MERV 12 | Proprietary Rating | MPR 1500 Equivalent | FPR 9 Equivalent |
| Initial Resistance | 0.21 in. w.g. @ 300 FPM | Airflow Capacity | Whole Home (Central Forced Air) |
| Replacement Filter Cost | $12.00 | Replacement Interval | Every 3 months |
| Annual Consumable Cost | $48.00/yr (4 filter changes) | Compatible Equipment | 20x20 furnace and AC filter slots |
Our Take on the Nordic Pure 20x20x1 MERV 12 Pleated AC Furnace Air Filter
Delivers comparable allergen performance to big-box brands like 3M Filtrete at a 30-40% lower cost per filter when ordered in 6-packs or 12-packs. Check your slot dimensions: actual width is 19.50 inches.
Filtration Performance Note
Effectively traps dust, pollen, mold spores, pet dander, and airborne lint with high dust-holding capacity.
Installation, Airflow Direction & Maintenance Protocol
Slide into slot ensuring airflow arrow faces blower. Replace every 60–90 days.
Common Questions About the Nordic Pure 20x20x1 MERV 12 Pleated AC Furnace Air Filter
Why is the Nordic Pure filter smaller than 20x20?
All furnace filters have a nominal size (20x20x1) and an actual size (19.5 x 19.5 x 0.75 in). Nordic Pure sizes their filters to fit the majority of residential filter slots without binding or jamming.
Is Nordic Pure as good as Filtrete?
Yes. Nordic Pure uses ASHRAE 52.2 certified laboratory testing to verify its MERV ratings. Its MERV 12 performs neck-and-neck with Filtrete 1500 for allergen capture.
Does Nordic Pure make carbon filters?
Yes, Nordic Pure offers a MERV 12 + Carbon variant infused with activated charcoal specifically for pet odors, smoke, and cooking smells.
Direct Compatible Sizing Alternatives
Filtrete 1500 Healthy Living Ultimate Allergen 20x20x1
When to choose: Direct 20x20x1 compatible fitment offering MERV 12 performance.
Filterbuy Silver MERV 8 20x20x1 Air Filter
When to choose: Direct 20x20x1 compatible fitment with MERV 8 filtration.