Prevent Air Bypass and Equipment Damage with Precision-Fit OEM Pre-Filters
Specialized industrial machinery, custom air handling units (AHUs), and plant exhaust systems frequently demand non-standard filter dimensions that off-the-shelf commercial catalogs cannot supply. Forcing ill-fitting standard filters into custom mounting tracks leaves perimeter gaps—causing unfiltered air bypass, damaging sensitive fan motors, and forcing frequent emergency maintenance stops.
Our Blue & White G3 Custom Size Industrial Pre-Filter eliminates sizing friction completely. Engineered with progressive gradient-density synthetic media and custom-fabricated aluminum or galvanized metal frames, this primary panel filter guarantees a 100% precision dimensional seal, maximum depth loading capacity, and quick visual orientation for factory maintenance teams.
Need This Specification in Bulk?
We offer flexible OEM/ODM manufacturing to match your exact dimension and efficiency requirements. Contact our team for a fast quote or to verify compatibility with a free test sample.
This filter utilizes an advanced two-stage progressive density media design to maximize dust retention:
Blue Intake Layer: Composed of coarser synthetic fibers, the blue face intercepts larger dust particles at the surface.
White Outlet Layer: Constructed with denser fibers, the white face captures remaining fine particulates deeper within the media.
This gradient structure prevents surface blinding and distributes dust throughout the full thickness of the filter, significantly extending service life. Encased in custom-cut aluminum or galvanized steel profiles, the distinctive blue-and-white color contrast ensures fool-proof installation, preventing backwards insertion during rapid factory maintenance turnarounds.
| Specification | Technical Standard | Condition |
| Filter Class / Efficiency | G3 / ISO Coarse 40% (Gravimetric) | Coarse industrial dust ≥5μm |
| Media Construction | Progressive Density Polycotton Synthetic | Blue (Intake) / White (Outlet) |
| Media Feature | Dual-Layer Gradient Structure | High dust holding & depth loading |
| Frame Material | Custom Aluminum Alloy / Galvanized Frame | Custom cut & assembled |
| Profile Depth Options | 21 mm / 25 mm / 46 mm (Custom available) | Tailored to fit any OEM track |
| Face Dimension Tailoring | Custom Width & Height (200 mm to 2000 mm) | Non-standard size manufacturing |
Fully customizable specifications available. For detailed technical data, please 【visit the product page】 or 【reach out to our technical team】directly.
This custom G3 panel filter is built for heavy-duty industrial dust collection and custom machinery air pre-treatment across demanding sectors, such as:
Woodworking & Furniture Manufacturing: Sawdust and wood chip intake pre-filtration.
Metalworking & Processing Plants: Metal grinding dust, chip collection, and heavy machinery air intakes.
Textile & Cement Industries: Fiber flyings, cement dust, and non-standard plant exhaust ducts.
By fitting snugly into custom OEM housings and fan enclosures, it intercepts coarse process dust before air enters sensitive production zones or secondary baghouses.
Optimizing replacement cycles based on process dust concentration prevents fan overload and equipment failure:
General Workshop Ventilation & Machinery Enclosures: Inspect monthly, and replace the filter unit every 4 to 6 months.
High-Dust Environments (Woodworking, Metal Grinding, Textile Mills): Inspect bi-weekly (compressed-air blow-down can be performed for dry dust), and execute full unit replacements every 1 to 2 months.
Frequently Asked Questions About Custom G3 Primary Panel Air Filters
Q: What is the functional advantage of the blue and white dual-color filter media?
A: The blue/white color gradient indicates progressive fiber density. The blue air-intake side traps coarse particles, while the dense white outlet side catches finer dust, maximizing dust holding capacity and preventing installation orientation mistakes.
Q: What custom sizing capabilities are available for this primary panel air filter?
A: As a direct factory manufacturer, we produce custom frame depths (21mm, 25mm, 46mm, or custom profiles) and custom face dimensions (width and height tailored from 200mm up to 2000mm) to match exact non-standard machinery tracks.
Q: How does progressive fiber density extend operational filter service life?
A: Instead of restricting dust accumulation to the front surface, progressive fiber density allows particulates to be trapped across the full thickness of the media, reducing pressure drop increase rates and extending service duration.
Q: Can this custom primary filter be ordered in wholesale volumes for engineering projects?
Certainly. We can adjust gram weight (100G–650G+) and thickness (5mm–100mm) to meet your specific target for pressure drop and filtration efficiency.
Q: What are the standard dimension airflow rates for this blue and white G3 filter?
A: Standard dimensional capacities include: 295x295x21mm (800 m³/h), 495x495x21mm (2200 m³/h), and 595x595x21mm (3200 m³/h), with an initial resistance of 35Pa.
