Pre-filters are the initial line of defense in an air purification system. They are the first stage of filtration, designed to capture larger particles and prevent them from entering the main filtration system. These particles can include dust, hair, pet dander, pollen, and other visible debris commonly found in indoor environments. It can effectively filter harmful substances in the air to ensure your health. We pay attention to every detail, carefully designing and manufacturing the filter wool to ensure that it is tightly structured, not easy to deform, and provides stable and reliable filtration effect.Filter cotton is suitable for home, office, car and other occasions, can effectively purify the air, let you breathe fresh and healthy air environment.
Our filter cotton adopts simple design, which is easy and quick to install, and also very simple to clean, only need to gently tap or rinse with water to restore the filtration effect, saving time and labor.
FEATURES
|
APPLICATIONS
|
SPECIFICATIONS
| Type | Thickness(mm) | Test Air Velocity (m/s) | Rated Air Flow(m3/h) | Average arrestance (EN779) | Initial Resistance(Pa) | Final Resistance (Pa ) | Dust Holding Capacity(g/m2) | FiltrationClass |
| HF-10 | 5 | 1.5 | 5400 | 65% | 15 | 250 | 400 | G2 |
| HF-20 | 10 | 1.5 | 5400 | 70% | 18 | 250 | 420 | G2 |
| HF-30 | 15 | 1.5 | 5400 | 80% | 20 | 250 | 520 | G3 |
| HF-40 | 20 | 1.5 | 5400 | 90% | 25 | 250 | 630 | G4 |
PRODUCT DETAILS
As a professional air filter and industrial filter manufacturer in China.
Copyright © 2025 Shenzhen Healthy Filters Co., Ltd. All Rights Reserved.
