AF25024 Ventilation Filter Replacement
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Application of Anthracite in Filters Anthracite is a high-quality filtration material widely used in water treatment and industrial filtration systems. Due to its high carbon content, low impurity level, and excellent mechanical strength, anthracite provides efficient filtration performance and long service life. In multi-media filters, anthracite is commonly used as the top filtration layer because of its larger particle size and lower density compared to sand. This structure allows suspended solids, sediments, and impurities to be trapped effectively while maintaining a high flow rate. Anthracite filter media offers excellent resistance to abrasion and chemical corrosion, making it suitable for municipal water treatment plants, industrial water purification systems, cooling water systems, and wastewater treatment facilities. Its porous structure helps improve filtration efficiency and reduces pressure loss across the filter bed. In addition, anthracite can withstand repeated backwashing processes without significant degradation, ensuring stable and reliable performance over time. The use of anthracite in filtration systems helps improve water clarity, extend the lifespan of downstream equipment, and reduce maintenance costs. As a cost-effective and durable filtration medium, anthracite remains a preferred choice for industries seeking high-performance filtration solutions and consistent water quality.
CHINA EVERLASTING PARTS CO., LIMITED is a professional high-quality filter manufacturer specializing in Air Filters, Air Cleaner Filters, Air Dryers, Ventilation Filters, Breather Filters, Oil Filters, Fuel Filters, Hydraulic Filters, Fuel Water Separators, Air Oil Separators, and Filter Assemblies. We also support OEM and ODM services for global industrial clients.
The 4300870 Pleated Air Filter 20 x 20 x 4 in is engineered for commercial and industrial HVAC systems that require high-efficiency air purification. Featuring MERV 13 synthetic fiber media, this pleated panel air filter provides strong dust-holding capacity, low airflow resistance, and stable long-term filtration performance. Its advanced synthetic media design makes it ideal for retail stores, equipment service providers, wholesalers, and filter shops looking for reliable and cost-effective filtration solutions.
| Parameter | Value |
|---|---|
| Nominal Size | 20 x 20 x 4 in |
| Actual Size | 500 x 500 x 92 mm |
| MERV Rating | MERV 13 |
| Media Material | Synthetic Fiber |
Feature: High-efficiency synthetic fiber pleated media with MERV 13 performance.
Advantage: Captures fine particles such as dust, pollen, mold spores, and airborne contaminants while maintaining stable airflow.
Benefit: Extends equipment lifespan, improves indoor air quality, and reduces maintenance costs for commercial environments.
Evidence: Widely used by retail stores, HVAC service companies, industrial equipment suppliers, and professional filter distributors.
★★★★★
Michael R., HVAC Distributor
“Excellent pricing and consistent quality. These MERV 13 pleated filters helped us reduce replacement cycles significantly.”
★★★★★
Daniel S., Industrial Service Provider
“Strong frame and high dust-holding capacity. Perfect fit for our commercial clients’ HVAC systems.”
★★★★★
Laura P., Wholesale Buyer
“Fast supply, reliable manufacturer, and great support for OEM labeling. Will continue ordering.”
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