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

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Discover our high-quality synthetic fiber media filters, designed for optimal performance and versatility. Available in various thicknesses of 5mm, 10mm, 15mm, and 20mm, these filters meet the highest efficiency standards. Achieve particle efficiency ratings of 40%, 65%, 85%, and 90% at 2.0µm, ensuring superior air quality.

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Our filters conform to the EN 779 standards G1, G2, G3, and G4, making them ideal for diverse applications. As a reliable manufacturer and supplier in China, we take pride in our advanced factory capabilities and commitment to delivering exceptional products to meet your filtration needs.

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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

    Q What is a Ceiling Filter and where is it typically used?
    A Ceiling Filter is a pre-filtration device installed at the end of air supply systems. It is widely used in clean rooms, painting workshops, hospitals, commercial vehicles, passenger cars, and large commercial buildings to capture larger airborne particles such as dust, hair, and lint before they reach downstream filters and equipment.
    Q What efficiency levels are available for Ceiling Filters?
    Ceiling Filters are available in a wide range of efficiencies, from 40% to 90%. The appropriate efficiency level can be selected based on the specific application requirements, balancing filtration performance and overall economic benefits.
    Q How long does a Ceiling Filter last before it needs to be replaced?
    The service life depends on the operating environment and airflow rate. A filter should be replaced when accumulated dust causes the resistance to reach an unreasonable level, or when there is a risk that captured dust may become dislodged and re-enter the airflow.
    Q What materials are Ceiling Filters made from, and can they be combined with other materials?
    Ceiling Filters feature a fluffy interwoven fiber structure. They are often combined with metal mesh, plastic mesh, or fiberglass mesh to enhance structural strength and prevent deformation of the filter pad during use.
    Q How can the resistance of a Ceiling Filter be effectively reduced?
    Resistance can be reduced by increasing the surface area of the filter media. A larger filter area lowers the relative air velocity passing through the filter, which in turn decreases the pressure drop and extends the operational lifespan of the filter.
    Q Are Ceiling Filters resistant to moisture and mold?
    Yes. Ceiling Filters are designed to be moisture-resistant and mold-proof, and they do not easily age over time. These properties contribute to a stable and reliable performance throughout their service life, making them suitable for humid or demanding environments.