Nu-Calgon 4940-28 - PermaFilter 20" X 30" X 1" Each
Nu-Calgon 4940-28 – PermaFilter 20" × 30" × 1" Permanent Air Filter, Washable & Reusable
Product Description:
The Nu-Calgon 4940-28 PermaFilter (20" × 30" × 1") is a permanent, electrostatically charged air filter designed for long-term performance and easy maintenance. Crafted for HVAC systems in both residential and commercial environments, this washable and reusable filter provides consistent airflow and high dust-holding capacity while reducing waste and replacement costs.
Constructed with durable aluminum mesh and a self-charging fiber layer, the PermaFilter effectively traps airborne contaminants such as dust, pollen, and lint — helping to maintain cleaner coils, improved air quality, and better system efficiency. Simply rinse with water and reinstall — no need for replacements or chemical cleaners.
Key Features:
- Genuine Nu-Calgon PermaFilter permanent air filter
- Size: 20" × 30" × 1"
- Washable and reusable — designed for years of service
- Electrostatically charged fibers attract and retain airborne particles
- Durable aluminum frame for structural rigidity
- Reduces maintenance costs and disposable filter waste
- Ideal for residential HVAC units, commercial air handlers, and return vents
Technical Details:
- Brand: Nu-Calgon
- Part Number: 4940-28
- Product Type: Permanent / Washable Air Filter
- Nominal Size: 20" × 30" × 1"
- Material: Aluminum frame with synthetic media
- Weight: Approx. 1.9 lb
- Country of Origin: USA
| Package Quantity | 1 Item |
|---|---|
| Item Returns | Sorry, the item can't be returned |
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