Product Overview: Factory-Direct Dust Removing Air Filters – G4 Pre-Filters (Panel Type, 20"×20"×2")
Key Features
High-Efficiency Filtration (G4 Rating)
MERV 8 Equivalent: Captures 90%+ of particles ≥5µm (dust, pollen, lint) and 50-70% of particles ≥1µm.
Pleated Design: Increases surface area by 30-50% vs. flat filters, enhancing dust-holding capacity and lifespan.
Durable ConstructionFrame Options:
Aluminum Frame: Lightweight, corrosion-resistant, ideal for coastal/humid environments.
Galvanized Steel Frame: Robust, cost-effective, suitable for industrial settings.
Filter Media: Synthetic fiber (polyester/polypropylene) with electrostatic charge for improved particle retention.
Standardized Dimensions
Size: 20"×20"×2" (508mm×508mm×51mm) – fits most HVAC systems, air purifiers, and industrial ventilation units.
Custom Sizes Available: Contact factory for tailored solutions.
Factory-Direct Advantages
Cost-Effective: Eliminate middleman margins; competitive pricing for bulk orders.
Quality Control: In-house manufacturing ensures adherence to ISO 9001 standards.
Fast Lead Times: 7-15 days for production (depending on order volume).
Applications
Residential: HVAC systems, central air conditioning, home air purifiers.
Commercial: Offices, hospitals, schools, hotels, shopping malls.
Industrial: Factories, workshops, warehouses, paint booths, food processing units.
Technical Specifications
| Parameter | Details |
|---|---|
| Efficiency Rating | G4 (EN 779) / MERV 8 (ASHRAE 52.2) |
| Initial Pressure Drop | ≤30 Pa (@ rated airflow) |
| Final Pressure Drop | ≤250 Pa (replace when reached) |
| Max. Temperature | 80°C (176°F) |
| Max. Humidity | 90% RH |
| Recommended Replacement | Every 3-6 months (varies by environment) |
Why Choose Our Filters?
Proven Performance: Trusted by OEMs and contractors globally.
Eco-Friendly: Recyclable materials reduce waste.
Customization: Frame color, media type, and packaging options available.
Support: Technical assistance for filter selection and system compatibility.