Nu-Calgon 4940-24 - PermaFilter 20" X 24" X 1" Each
Nu-Calgon 4940-24 PermaFilter – 20" x 24" x 1" Permanent Electrostatic Air Filter
The Nu-Calgon 4940-24 PermaFilter is a high-performance, permanent electrostatic air filter designed to enhance indoor air quality in HVAC systems. Measuring 20 inches by 24 inches with a 1-inch thickness, this filter offers a sustainable and cost-effective solution for both residential and commercial applications.
Key Features:
- Permanent Design: Eliminates the need for frequent replacements, reducing long-term maintenance costs.
- Electrostatic Filtration: Utilizes static electricity to attract and trap airborne particles such as dust, pollen, pet dander, and smoke.
- MERV 8 Rating: Tested to meet ASHRAE standards, effectively capturing particles ranging from 3.0 to 10.0 microns.
- Antimicrobial Construction: Made from materials that inhibit microbial growth, ensuring cleaner air.
- No Electricity Required: Operates without the need for power, making it energy-efficient and environmentally friendly.
- Easy to Clean: Washable design allows for simple maintenance; rinse with water and mild detergent, then air dry.
- Lifetime Warranty: Backed by Nu-Calgon's lifetime warranty, offering peace of mind and long-term reliability.
Specifications:
- Dimensions: 20" W x 24" H x 1" D
- Frame Material: Metal
- MERV Rating: 8
- Part Number: 4940-24
- Warranty: Lifetime
Installation & Maintenance:
Installing the PermaFilter is straightforward:
- Remove the old filter from your HVAC system.
- Align the PermaFilter according to the airflow direction indicated on the frame.
- Insert the filter securely into the filter slot.
For optimal performance, clean the filter every 8–12 weeks:
- Remove the filter from the system.
- Rinse with water in the opposite direction of airflow.
- Apply a mild detergent or Nu-Calgon Green Clean 4186-24.
- Rinse thoroughly and allow the filter to air dry completely before reinsertion.
Availability:
Please note that the Nu-Calgon 4940-24 PermaFilter has been discontinued as of September 5, 2025. While it may no longer be available through Nu-Calgon, some select wholesalers may still have stock. It's advisable to contact local HVAC suppliers or check online marketplaces for potential availability.
| Package Quantity | 1 Item |
|---|---|
| Item Returns | Sorry, the item can't be returned |
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