English
中文
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Core Performance Features of Primary Panel Filters
Primary panel filters provide low-resistance, high-capacity prefiltration for HVAC, fresh-air and industrial systems. Proper installation and replacement protect downstream filters.
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Practical Ways to Avoid Summer Renovation Pollution
Summer heat and humidity accelerate emissions from renovation materials. Reduce exposure through low-emission materials, ventilation, purification, humidity control and testing.
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Use Air Filters Correctly to Improve Filtration Efficiency
Correct installation, adaptive operation, timely maintenance and source control help household and automotive air filters deliver their designed filtration efficiency.
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Use of High-Efficiency In-Vehicle Air Filtration Equipment
A systematic review of in-vehicle air pollutants, high-efficiency filtration technologies, equipment types, selection criteria, maintenance practices, and emerging trends.
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Using New-Generation Air Filters at Home
A practical guide to new-generation home air filters, covering filtration technology, room-specific applications, key performance ratings, placement, cleaning, and maintenance.
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Never Use an Air Filter Past Its Service Life
An overview of advanced household air filtration technologies, room-specific selection, CADR and CCM ratings, correct placement, filter replacement, and maintenance.
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Why Does the Air-Conditioner Filter Keep Rusting?
Air-conditioner filter rust can result from unsuitable materials, high humidity, corrosive pollutants, poor cleaning, or condensate. Learn how to prevent and correct it.
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How Effective Are Separatorless High-Efficiency Air Filters?
An analysis of separatorless high-efficiency air filters, including filtration performance, pressure drop, structural benefits, applications, service life, and maintenance.
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
