Introduce superior air quality and long-term operational economy with our Custom-Sized Electrostatic Air Filter, precision-crafted to your specific specification. This innovative filter utilizes advanced electrostatic technology to deliver exceptional airborne particle capture without the restrictive pressure drop of dense media filters. Designed as a durable, washable, and reusable solution, it provides outstanding value for commercial, industrial, and specialized HVAC applications where clean air and low lifecycle cost are critical.
This filter works by imparting an electrostatic charge to synthetic fibers, which actively attract and trap dust, pollen, lint, mold spores, and other fine particulates like a magnet. The result is high filtration efficiency with remarkably low airflow resistance, helping to protect sensitive equipment, improve indoor air quality, and reduce energy consumption by allowing your system’s fan to operate more efficiently.
Below is the technical parameter of the customized air filter. If you have other need of the filter, please contact us to get more details.
| Outer diameter | 324 mm |
| Height | 660 mm |
| End caps | Carbon steel |
| Filter layer | Anti static polyester fabric |
| Sealing material | Black rubber strip |
| Customized | Yes |
| Origin | Henan,China |
This custom electrostatic filter is manufactured by Huahang Filter, a forward-thinking partner dedicated to developing high-performance and environmentally conscious air filtration solutions.
Huahang Filter specializes in engineering air filters that balance performance, durability, and sustainability. This custom electrostatic filter is a prime example, offering a tailored solution that combines cutting-edge electrostatic technology with the flexibility of custom sizing to meet precise system requirements.

Q1: How do I wash and maintain this electrostatic filter?
A1: Maintenance is simple. Remove the filter and gently rinse it with a low-pressure stream of water from the clean side towards the dirty side. For heavier soil, a mild detergent soak can be used. Shake off excess water and allow it to air dry completely before reinstalling. Do not wring or scrub aggressively.
Q2: How often does it need to be cleaned?
A2: The cleaning frequency depends on your environment’s dust level. A good practice is to inspect it monthly. Clean it when a visible layer of dust has accumulated, or when the pressure drop across the filter increases, as indicated by your system’s gauges.
Q3: Does the electrostatic charge wash away?
A3: No. The charge is permanently embedded within the synthetic fibers during the manufacturing process (often called a “permanent” or “electret” charge). Rinsing with water cleans the captured particles off the fibers without removing the underlying electrostatic properties.
Q4: What is the typical lifespan of this filter?
A4: With proper care, a high-quality electrostatic filter can last for 5-10 years or more, effectively replacing hundreds of disposable filters during its service life. The lifespan is ultimately determined by the integrity of the frame and media after repeated cleanings.
Q5: Can you manufacture this filter in other custom sizes or with different frame types?
A5: Absolutely. Huahang Filter specializes in custom solutions. Please contact us with your specific dimensional requirements (Width x Height x Depth) and any preferences for frame material or media efficiency. We will provide a tailored solution for your unique application.