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Dual-Mode Fusion
Large-Space Purification Technology

1+1>2 — Overall Purification Efficiency Taken Even Further

Core Advantages

Dual-Mode Fusion: Six Core Advantages

YifeiAir has focused on large-space air purification for 15 years. With Dual-Mode Fusion technology and over 200 core patents, we provide comprehensive air purification for industrial, medical and commercial environments.

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Passive Adsorption & Filtration

Draws indoor air into the unit, where it is deeply filtered layer by layer through a six-stage filter system; dual-sided extra-large air inlets create a circulating airflow across large spaces.

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Active Purification & Release

Actively releases negative oxygen ions and plasma to settle and pre-purify formaldehyde, bacteria and viruses before the air enters the unit, leaving no dead zones.

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Pathogen Removal Rate >99.9%

Removal rates of Staphylococcus albus, Staphylococcus aureus, E. coli and influenza virus (H1N1) all exceed 99.9% — medical-grade purification standards.

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200+ Core Patents

Over 200 core patented technologies, optimized across six dimensions through extensive fluid dynamics simulations and precise real-world tuning.

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Sleep-Level Quiet

Pure copper silent motor; noise as low as 28dB in sleep mode and ≤65dB in turbo mode, ideal for noise-sensitive spaces such as hospitals and offices.

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Exported to 30+ Countries

Products exported to more than 30 countries, certified by ISO/CCC/CQC/KC and other international authorities, trusted by 500+ enterprise clients.

How It Works

Dual-Mode Fusion: Passive Adsorption + Active Purification

Passive Adsorption Mode

Passive Adsorption Mode

Indoor air is drawn into the unit and filtered layer by layer through the built-in six-stage filter system. The dual-sided extra-large air inlet design blows out clean air at high speed, creating a circulating airflow in large spaces and ensuring the air in every corner is effectively purified.

Active Purification Mode

Active Purification Mode

The purifier actively releases negative oxygen ions and plasma into the room, settling and pre-purifying formaldehyde, odors, dust mites, bacteria and viruses before the air enters the unit. Meanwhile, three active decomposition cycles inside the unit break down formaldehyde and other harmful substances more efficiently, extending filter life.

Purification System

Six-Stage Purification System: Deep Layer-by-Layer Purification

Pre-Filter

1. Pre-Filter

Initially filters large particles, hair, dust and more, protecting the subsequent filters.

High-Efficiency HEPA Filter

2. High-Efficiency HEPA Filter

Deeply captures fine particles such as PM2.5 with a filtration efficiency of over 99.9%.

Activated Carbon Filter

3. Activated Carbon Filter

Efficiently adsorbs harmful gases such as formaldehyde, benzene and TVOC, removing odors.

Photocatalyst

4. Photocatalyst

Photocatalytic reaction decomposes harmful substances, continuously purifying the air.

UV Lamp

5. UV Lamp

Works together with the photocatalyst to kill bacteria and viruses for sterilization and disinfection.

Plasma Waterfall Technology

6. Plasma Waterfall Technology

Further purifies the air with three deep decomposition cycles, actively releasing negative ions.

Six-Dimensional Balance

Six-Dimensional Balance Through Extensive Fluid Dynamics Simulation

High Cost Performance

High Cost Performance

Direct supply from the source factory significantly reduces operating costs.

Durability

Durability

Ultra-long, stable operation even in harsh environments.

All-in-One

All-in-One

All-round purification: dust, formaldehyde, bacteria and virus removal.

Smart Control

Smart Control

App remote control with real-time air quality monitoring.

Purification Rate

Purification Rate

Pathogen removal rate >99.9% with dual-high CADR.

Quiet Operation

Quiet Operation

Pure copper silent motor for sleep-level quiet purification.

Certifications

Certified by Multiple International Authorities

ISO 9001

Quality Management System Certification

ISO 14001

Environmental Management System Certification

ISO 45001

Occupational Health & Safety Certification

CCC Certification

China Compulsory Product Certification

CQC Certification

China Quality Certification Centre Certification

Korea KC Certification

Korea National Energy Efficiency Certification

High-Tech Enterprise

National High-Tech Enterprise Certificate

Disinfection Hygiene Filing

Hygiene License for Disinfection Product Manufacturers