Nu-Calgon 4940-49 – PermaFilter 24" x 25" x 5" (Each)

 

Description:

The Nu-Calgon 4940-49 PermaFilter 24" x 25" x 5" is a permanent, washable air filter designed to provide long-term protection for residential and commercial HVAC systems. Built with durable aluminum framing and advanced electrostatic filtering media, this filter captures airborne dust, pollen, lint, and other contaminants while maintaining high airflow efficiency.

Unlike disposable filters, the PermaFilter can be easily cleaned and reused—helping to reduce waste, maintenance costs, and system strain. It’s engineered for superior indoor air quality and long-term system performance across a wide range of heating and cooling units.

 

Key Features:

• Model: 4940-49
• Brand: Nu-Calgon
• Size: 24" x 25" x 5"
• Reusable, washable construction
• High-efficiency electrostatic media for improved filtration
• Helps maintain airflow and reduce system load
• Compatible with many standard HVAC systems
• Eco-friendly and cost-effective alternative to disposable filters

 

Applications:

Ideal for furnaces, air handlers, and rooftop units requiring a 24" x 25" x 5" filter. Recommended for homeowners, contractors, and facilities looking for a long-life filtration solution.