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CIG BluSolutions Co., Ltd. > Products > Air Purifiers > Air Purifier / Fresh Air Unit

Air Purifiers

Air Purifier / Fresh Air Unit

Horizontal fresh air unit for centralized air purification and ventilation systems
Mobile air purifier unit with HEPA filtration for flexible indoor air quality improvement
Vertical fresh air unit with compact footprint for limited space environments

What is the AP450/AP720 Fresh Air Supply System?

Stainless Steel (Grade 304) Unit Cooler for air-conditioned rooms is easy to operate, clean up, and maintain. Suitable for industrial rooms where there is a problem with the amount of dust that will clog the coil easily. Both DX coil and Water Coil models are available

3-stage high-performance air filter including pre-filter, HEPA filter, and activated carbon filter for comprehensive air purification

3-Stage High Performance Filter

ULPA: U15 for AP450, HEPA: H14 for AP720
Synthetic Carbon Filter 94%
Pre Filter (G4, MERV8)

Infographic showing how a fresh air unit works to filter, purify, and supply clean air indoors

How Does the AP450/AP720 Fresh Air Supply System Work?

The AP450 and AP720 fresh air systems operate by drawing outdoor air through a filtration process to reduce dust particles and PM2.5, as well as airborne pathogens, before delivering clean, fresh air into the building.

The system works through the following steps:

  1. Filter outdoor air
    The system filters outdoor air, effectively removing PM2.5 particles and airborne pathogens to improve air quality indoors.
  2. Release purified oxygen (O₂)
    Fresh oxygen is introduced into the space to improve air quality and reduce the accumulation of pollutants.
  3. Create positive air pressure
    Positive pressure is maintained in the room to prevent unfiltered outdoor air from entering the building.
  4. Vent stale indoor air
    Stale indoor air is expelled to maintain balanced and comfortable indoor air conditions.

Thanks to this multi-step process, the AP450 fresh air system helps ensure a clean, fresh, and safe indoor environment—ideal for residences, offices, hospitals, and other indoor spaces where high air quality is essential.

Product Specifications: AP450 and AP720

The AP450 and AP720 fresh air supply systems are designed to improve indoor air quality in buildings, equipped with high-efficiency filtration systems capable of removing PM2.5 particles and airborne pathogens effectively.

Product specifications for AP450 and AP720 fresh air units including airflow rate, filtration stages, and power consumption

AP450 Fresh Air Supply System

  • Coverage Area: 22 – 60 m²
  • Airflow Rate: 450 CMH
  • Power Consumption: 180 watts
  • Filtration System: ULPA U15 + Carbon Filter + Pre-filter
  • Fan Motor: High Efficiency EC Motor
  • Noise Level: 68 dBA
  • Sterilization System: UVGI 253.7 nm

AP720 Fresh Air Supply System

  • Coverage Area: 70 – 210 m²
  • Airflow Rate: 1220 CMH
  • Power Consumption: 520 watts
  • Filtration System: HEPA H14 + Carbon Filter + Pre-filter
  • Fan Motor: High Efficiency EC Motor
  • Noise Level: 80 dBA
  • Sterilization System: UVGI 253.7 nm

Both models support installation for both positive pressure and negative pressure applications, making them ideal for residential areas, offices, hospitals, and other environments requiring air quality control.

Installation Types of AP450 CMH and AP720 CFM Units

Installation types of AP450-CMH and AP720-CFM air purifiers, including horizontal, vertical, and mobile configurations

Choose the Right Model of AP450 CMH or AP720 CFM for Your Needs

  • V-Vertical Model is ideal for industrial and large-scale applications requiring high-efficiency air purification.
  • Mobile Model is suitable for flexible use in offices, hospitals, or locations that require frequent relocation.
  • H-Horizontal Model is perfect for cleanroom installations or limited spaces that require fixed and discreet placement.

Product Certification of AP450/AP720

Our company has received product certifications for the AP450 and AP720 units. These certifications serve as proof of the product’s quality and compliance with industry standards, giving customers confidence in our manufacturing process.

Leak test certificate for air purifier verifying system airtightness and filtration integrity
TIS certification document for air purifier meeting Thai Industrial Standards (TIS 8730-2561)
MIT certificate for AP450H model air purifier verifying Made in Thailand origin
MIT certificate for AP720H air purifier model indicating local Thai production

✅ Leak Test Certificate
Certified for leakage testing to ensure maximum air sealing performance in accordance with international filter testing standards.

✅ TIS Certificate (Thai Industrial Standards)
Our product meets the requirements of TIS (Thai Industrial Standards), which verifies that the product complies with safety and quality standards set by the Thai Industrial Standards Institute.

✅ MiT Certificate (Made in Thailand)
Certified by the Federation of Thai Industries that this product is genuinely manufactured in Thailand under the “Made in Thailand” program.

These certifications confirm that the AP450/AP720 are high-quality, safe, and reliable products suitable for professional use.

Download


FreshAirUnit-AirPurifier-2025


FreshAirUnit-AirPurifier-2025HD

References

On-site installation of fresh air duct system at Panyapiwat field hospital to supply clean filtered air
Panyapiwat School Field Hospital
On-site installation of fresh air duct system at Panyapiwat field hospital to supply clean filtered air
Panyapiwat School Field Hospital
Dental clinic entrance equipped with fresh air unit to improve ventilation and air quality
Dental Clinic
Front view of Siriraj Piyamaharajkarun Hospital (SiPH), equipped with fresh air purification system
Siriraj Piyamaharajkarun Hospital
Front gate of Chiang Kham Hospital, a site for fresh air unit installation to improve air quality
Chiang Kham Hospital
Front view of Pathum Thani Hospital, one of the project sites for fresh air unit installation
Pathum Thani Hospital
Front view of Queen Sirikit National Institute of Child Health, a project site for fresh air unit installation
Children’s Hospital
Installation site of fresh air unit at Phra Nakhon Si Ayutthaya Hospital to improve indoor air quality
Phra Nakhon Si Ayutthaya Hospital
This image showcases a successful installation of a Fresh Air Unit at a field hospital operated by the Port Authority in Khlong Toei, Bangkok. The system helps improve indoor air quality by supplying filtered fresh air and reducing airborne risks, particularly in healthcare and emergency response environments.
Port Authority of Thailand Khlong Toei Field Hospital
see more references
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Air Purifiers

Application

Clean Room
Food-Processing
Refrigeration
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บริษัท ซีไอจี บลูโซลูชั่นส์ จำกัด

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1/1 Moo 7 Bangkoowad Rd., Bangkoowad,
A. Muang, Pathumthani, 12000 Thailand.

สำนักงานใหญ่:
1/1 หมู่ 7 ถนนบางคูวัด,
ต.บางคูวัด, อ.เมือง, จ.ปทุมธานี 12000 ประเทศไทย

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