

Low Noise HEPA Fan Filter Unit (FFU) for Ultra-Quiet Laboratory Air Purification
Create a superior working environment with the Chuqi Low Noise Fan Filter Unit. Recognizing that noise and vibration levels are critical in research and high-precision settings, our FFU is engineered with a unique low vibration system and a low noise motor (≤55dB). This HEPA FFU is the premier choice for clean benches and laboratories where a quiet, stable, and high-purity laminar flow (0.45m/s) is essential.
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Product Key Features
Acoustic Performance: Noise levels are strictly kept below 55dB for a humanized working environment.
Vibration Control: Features precision-balanced imported or domestic fans to ensure zero interference with sensitive equipment.
Airflow Stability: Delivers a constant laminar flow at 0.45m/s for uniform terminal protection.
Control Interface: Integrated system for convenient use and real-time speed adjustments.

Material & Craftsmanship
- Casing: High-durability stainless steel or cold-rolled steel with an anti-corrosive powder coating.
- Motor: High-performance, low vibration motors selected for long-term stability and minimal heat generation.
- Filter Stage: Equipped with high-efficiency 1220x1220x69mm or 1170x570mm HEPA filters.
Applications
Biological Safety Cabinets: Provides localized, ultra-quiet high-purity air for delicate manual operations in clean benches and hoods.
Pharmaceutical Testing Labs: Ensures sterile environments for sample preparation and microbiological analysis without disruptive noise.
High-End IVF Clinics: Critical for maintaining sterile conditions in embryology labs where vibration can impact sensitive biological processes.
Microelectronics Assembly: Ideal for vibration-sensitive zones during the assembly of micro-optics, sensors, and nanotechnology.
Hospital Sterile Rooms: Supports a quiet recovery environment in modular operating theaters and specialized treatment rooms.

Precision Metrology Labs: Maintains air purity without affecting the accuracy of laser measurement tools and atomic force microscopes.
Advanced University Research: Perfect for multi-user cleanroom facilities where a low-noise environment is required for long-term concentration.
Competitive Comparison
| Feature | Chuqi Low Noise FFU (Scheme 2) | Standard Industrial FFU | The Chuqi Advantage |
| Noise Level | Ultra-Quiet (≤55dB). | Typically 60dB – 65dB+. | Humanized Design: Improves focus and comfort in laboratory settings. |
| Vibration | Minimal Vibration System. | Standard motor vibration. | Equipment Protection: No interference with precision electronics or microscopes. |
| Airflow Quality | Stable Laminar Flow. | Prone to turbulence at high speeds. | Consistent Purity: Reliable protection for delicate manual operations. |
| Casing Finish | Anti-Corrosive Powder Coating. | Basic galvanized finish. | Long-Term Stability: Resists chemicals and maintain a sterile appearance. |
Specifications
| External dimensions (mm) L*W*H | 1 225 * 1225 *320 | 117 5 * 11 7 5 *320 | 1175 * 575 *320 | 57 5 *57 5 *320 |
| Rated air volume(m³ / h) | 2000 | 1800 | 1000 | 500 |
| Noise Db(A) | ≤55dB | |||
| High efficiency filter | 99.99% ~ 99.9995% ( ≤ 0.3 μ m ) | |||
| power supply | AC220V, 50HZ / DC220V , 50HZ | |||
| Input power(W) | 1 5 0 | 1 5 0 | 115 | 115 |
| High-efficiency filter specifications (mm) | 1220* 1220 *69 | 1170* 11 70*69 | 1170 * 57 0 * 69 | 570*570*69 |
Chuqi is a leader in high-performance fan filter unit manufacturing, specifically for environments where precision is non-negotiable. Our Whisper-Quiet Series solves the industry-wide challenge of balancing air volume with acoustic comfort. By utilizing precision-balanced fans and low vibration motors, Chuqi ensures that your clean benches and research labs remain both sterile and distraction-free. Our commitment to humanized design and stable laminar flow makes us the trusted partner for the world’s most sensitive medical and healthcare facilities.

Frequently Asked Questions
Q1: How quiet is the Chuqi Low Noise FFU in a real lab setting?
It is professionally designed to operate below 55dB, making it the best FFU for laboratories where a quiet atmosphere is essential for concentration and sensitive research.
Q2: Will the vibration from the fan affect my precision microscopes?
No. We use precision-balanced fans and specialized low vibration motors to ensure that our units do not interfere with high-precision instruments or micro-assembly tasks.
Q3: Can the airflow speed be adjusted for different research needs?
Yes, the unit features an integrated control system for convenient use, allowing for real-time adjustments to maintain a stable and reliable airflow.
Q4: Is the unit resistant to the disinfectants used in medical settings?
Absolutely. Our casing options include stainless steel and powder-coated cold-rolled steel, both of which offer excellent anti-corrosive properties for medical and healthcare environments.
Q5: What are the standard filter sizes included in this series?
The series standardly includes high-efficiency HEPA filters in 1220x1220x69mm or 1170x570mm sizes, ensuring easy integration and replacement.




