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China G1 G2 G3 G4 Ceiling Filter Factory - High-Efficiency Synthetic Fiber Air Filters from Reliable Suppliers

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Introducing our high-performance synthetic fiber filters, expertly crafted by a leading factory in China. These filters are available in various thicknesses: 5mm, 10mm, 15mm, and 20mm, ensuring that you find the perfect solution for your filtration needs.

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Our filters deliver exceptional efficiency rates, achieving 40% to 90% at 2.0µm, making them ideal for a wide range of applications. They meet the standard EN 779 G1, G2, G3, and G4, ensuring reliability and quality.

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As trusted suppliers, we guarantee that our products are manufactured with the highest standards in mind, providing you with effective and durable filtration solutions. Choose our synthetic fiber filters to enhance your air quality today!

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    Application Area

    Ceiling Filter are widely used in the end of air supply systems in clean rooms, painting workshops, hospitals, commercial vehicles/passenger cars, large commercial buildings, and other places, serving as the first filtration barrier. Its core function is to filter larger particles in the air, such as dust, hair, and lint, to protect the medium-efficiency and high-efficiency filters and equipment downstream.

    Main Characteristics

    High Breathability

    The fluffy fiber structure offers low resistance and high air ventilation.

    High Dust-Holding Capacity

    The interwoven fibers form a three-dimensional structure, allowing for greater dust retention.

    Cost-Effective

    Relatively low production cost with high cost performance.

    Stable Performance

    Moisture-resistant, mold-proof, and not easily aged, ensuring a longer service life.

    Compatibility with Other Materials

    Often combined with metal mesh, plastic mesh, or fiberglass mesh to enhance strength and prevent deformation of the filter pad.

    Appearance

    Usually white or green, with a soft texture similar to thick non-woven fabric.

    The Efficiency of Ceiling Filter

    The efficiency of currently available ranges from 40% to 90%, and they can be selected based on specific requirements. The rational selection of filter efficiency and face velocity contributes to comprehensive economic benefits.

    G1 G2 G3 G4 Ceiling Filter
    G1 G2 G3 G4 Ceiling Filter

    Service Life of Filters

    As dust accumulates on the filter media, the resistance increases. When the resistance reaches an unreasonable level, the filter must be discarded. Sometimes, excessive resistance can cause previously captured dust to become dislodged and re-enter the airflow; when this risk arises, the filter should also be replaced.

    The resistance of a filter increases with higher airflow rates. By increasing the surface area of the filter media, the relative velocity of air passing through the filter can be reduced, thereby decreasing the resistance.

    Frequently Asked Questions
    Q1 What are the main application areas of Ceiling Filters?
    Ceiling Filters are widely used in clean rooms, painting workshops, hospitals, commercial vehicles and passenger cars, and large commercial buildings. They serve as the first filtration barrier at the end of air supply systems, removing larger particles such as dust, hair, and lint to protect downstream medium-efficiency and high-efficiency filters.
    Q2 What efficiency grades are available for Ceiling Filters?
    Currently available Ceiling Filters range in efficiency from 40% to 90% (corresponding to grades G1–G4). The appropriate grade can be selected based on specific application requirements, and the rational combination of filter efficiency and face velocity helps achieve the best overall economic performance.
    Q3 How do I know when a Ceiling Filter needs to be replaced?
    As dust accumulates on the filter media, airflow resistance increases. When resistance reaches an unreasonably high level, the filter should be replaced. Additionally, if excessive resistance causes previously captured dust to dislodge and re-enter the airflow, immediate replacement is also recommended to maintain air quality.
    Q4 What makes Ceiling Filters different from other types of air filters?
    Ceiling Filters feature a fluffy, three-dimensional fiber structure that provides high breathability and a large dust-holding capacity. They are moisture-resistant, mold-proof, and resistant to aging. They are also commonly reinforced with metal, plastic, or fiberglass mesh to improve structural stability, making them highly suitable for continuous-use environments.
    Q5 How can the resistance of a Ceiling Filter be reduced?
    Resistance increases with higher airflow rates. To reduce resistance, the surface area of the filter media can be increased, which lowers the relative velocity of air passing through the filter. Selecting the correct filter size and efficiency grade for the intended airflow is key to optimizing performance and extending service life.
    Q6 Are Ceiling Filters cost-effective for long-term use?
    Yes. Ceiling Filters are designed to be cost-effective with relatively low production costs and high performance value. Their stable physical properties—including moisture resistance, mold resistance, and resistance to aging—contribute to a longer service life and lower overall maintenance costs over time.