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中文
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Is IFD Micro-Electrostatic Air Purification Effective?
IFD technology uses intense electric fields and dielectric microchannels to charge and capture dust, offering high filtration efficiency, low resistance and low energy use.
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Custom Fresh-Air HEPA Filters: Glass Fiber or PP Melt-Blown Media?
Fresh-air HEPA filters must balance efficiency and resistance. Glass fiber can last longer but is brittle and needs protection, which increases manufacturing and replacement costs.
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Features of Separatorless High-Efficiency Air Filters
Separatorless high-efficiency filters offer compact construction, large media area, low resistance, long service life and uniform airflow for cleanrooms and FFU systems.
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What Types of Filters Are Used in Fresh-Air Systems?
Fresh-air systems use coarse, medium-efficiency and high-efficiency filters in stages to remove hair, dust and fine suspended particles while protecting downstream filters.
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How Dust-Holding Capacity Affects Air Filter Life
An air filter reaches the end of its useful life as dust loading raises resistance to the specified limit. Media, particle size and environmental dust levels all affect replacement intervals.
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Drawbacks of Washable HEPA Filters
Most HEPA media are paper-like and not designed for washing. Water-resistant treatments offer limited protection, while repeated rinsing can deform the media and reduce performance.
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How to Select an Air Filter That Meets Your Requirements
Select final and prefilters according to cleanliness, rated airflow and operating conditions. Properly matched stages protect downstream filters and control operating costs.
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Differences Between ULPA and HEPA Filters
ULPA filters use denser media and larger filtration areas than HEPA filters, providing higher efficiency and dust capacity for demanding cleanroom applications.
Company landline
010-60770969
Sales Phone/WeChat: 15601000090
Purchasing Management/WeChat: 13331060986
Company Phone: 010-60770969
Address: Room 1708, Building B, Jinyu International Center, Longyu East 1st Road, Huilongguan Street, Changping District, Beijing
©2026 Kelan Filtration Technology(Beijing) Group Co., Ltd. All rights reserved
Record Number: Jing ICP No. 2022016037-2
Technical Support: Suyuan Network
Sales Phone/WeChat: 15601000090
Purchasing Management/WeChat: 13331060986
Company Phone: 010-60770969
Address: Room 1708, Building B, Jinyu International Center, Longyu East 1st Road, Huilongguan Street, Changping District, Beijing
©2026 Copyright Beijing Kelan Fresh Air Technology Co., Ltd. All rights reserved
Record Number: Jing ICP No. 2022016037-2
Technical Support: Suyuan Network
