| Air Volume (m³/h) | 500 |
| Fan Model | 315 |
| Average Wind Speeding (m/s) | 0.3 to 0.5 |
| External Static Pressure | 190 (10mm Aq) |
| Noise (dB) | 55 to 63 |
| Efficiency | 99.99% at 0.3µm |
| Frame | High quality aluminium |
| Initial Pressure Loss | 110 Pa at 0.45 m/s |
| Type | Aluminium turbofan |
| Vibration Coefficient (mm/s) | 0.2 to 0.5 |
| Material of Static Pressure Box | A3 cold plate spraying / galvanized steel plate / stainless steel |
| Power Supply | 220 / 50 V/Hz |
| Power Consumption | 100 to 300 W |
| Module Size (W×L×H) | 615 × 615 × 230mm |
| Dimension (W×L×H) | 570 × 570 × 69mm |
| Weight | 21 kg |
High-Efficiency Centrifugal Fan
Stable Air Velocity
HEPA Filtration Efficiency
Uniform Air Supply
Adjustable Speed Control
Fan Filter Unit LFFU-A10 combines a fan and HEPA/ULPA filter to deliver controlled, laminar airflow. It plays a key role in semiconductor, electronics, flat-panel display, disc-drive, manufacturing, and optics to prevent contamination.
Labtron Fan Filter Unit combines a fan and HEPA/ULPA filter to deliver controlled, laminar airflow that removes airborne particles and supports critical contamination control. These include features like variable speed control, low-noise operation, and energy-efficient EC motors. They have optional test ports or indicator lights. Their compact and adjustable FFUs reduce dependence on central HVAC systems, thereby lowering installation costs and time. Our fan filter units are installed in ceiling or floor grids of cleanrooms, laboratories, pharmaceutical facilities, and semiconductor plants.





Labtron supplies fan filter unit LFFU-A10.Routine maintenance includes cleaning or replacing prefilters every 3 to 6 months and replacing HEPA/ULPA filters per manufacturer recommendations. Motors and fans should be inspected for vibration and noise anomalies. Testing involves filter efficiency checks (often via DOP leak testing), airflow measurements, pressure drop assessments, and noise level evaluation. Some models support room-side replaceability (RSR), facilitating quicker repairs and minimizing cleanroom disruption.
Labtron’s Fan Filter Unit LFFU-A10 are vital for semiconductor fabs, pharmaceutical cleanrooms, biotech labs, medical device manufacturing, and aseptic filling operations-anywhere ISO environmental controls are needed. Custom options include stainless steel casings for corrosion resistance, ESD-safe units for electronics, UV C sterilization modules, ionizers, reverse flow configurations for negative-pressure rooms, and explosion-proof variants. This versatility allows tailoring to specific process, safety, and compliance requirements.
Labtron supplies advanced models of Fan Filter Unit LFFU-A10 offer both positive pressure and negative pressure airflow configurations. Positive pressure units push filtered air downward to protect surroundings and maintain clean environments. Negative pressure models draw air through the cleanroom ceiling to protect operators from hazardous materials or bioaerosols. Selecting the appropriate design depends on whether the goal is product protection (positive flow) or personnel safety (negative flow), and on regulatory needs.
Fan Filter Unit LFFU-A10 come in top side replaceable (TSR) or room side replaceable (RSR) designs. TSR units require ceiling removal and often multiple technicians and shutdown operations. RSR units allow HEPA/ULPA filter replacement from inside the cleanroom, minimizing downtime and improving safety, especially in low ceiling or GMP environments. RSR designs are ideal when frequent filter changes are needed or cleanroom disruption must be avoided.
Labtron’s modern Fan Filter Unit LFFU-A10 can be enhanced with UV C modules, ionizers, LED lighting, VOC removal stages, and UPS backups. UV C helps reduce bioaerosols and microbial bioburdens, ionizers neutralize static and improve electronic assembly safety, and VOC filters or heating modules serve specialized processes. Additional options like integrated lighting or UPS systems ensure continuous operation and reduce contamination risks, making FFUs versatile for pharmaceutical or semiconductor applications
Labtron’s Fan Filter Unit (FFU) is a modular air-cleaning system that integrates a fan, pre-filter, and HEPA (or ULPA) filter into a ceiling grid unit. It draws contaminated room air through the pre-filter, then pushes it through the high-efficiency filter, supplying downward laminar or turbulent airflow to maintain ISO-class cleanliness. These units are essential in cleanrooms and microenvironments, enabling precise control of air supply directly above the workspace. FFUs operate either independently or as part of a larger HVAC system, often arranged in arrays to meet air change-per-hour requirements for ISO classes.
Labtron’s FFUs are typically built in standard ceiling grid dimensions such as 2×2?ft, 2×3?ft, and 2×4?ft, though custom sizes are possible. These units come fitted with HEPA filters as standard—with 99.99% efficiency offer ULPA options to achieve up to 99.999% efficiency for ultra-critical applications Prefilter stages, extend the life of the primary filters. Some FFUs feature advanced designs like knife-edge filters or PTFE media to meet tight sealing and contamination control needs.
Labtron’s Fan Filter Units use either PSC (permanent split capacitor) or ECM (electronically commutated) motors. PSC motors offer fixed or stepped speed control, providing reliable airflow at lower cost. ECM motors, in contrast, enable variable-speed control, smoother airflow, more precise pressure maintenance, and significant energy reductions—often 30–50% savings over PSC units. This not only reduces long-term operational costs but also mitigates noise and extends motor lifespan.
The number of FFUs needed depends on room size, desired air changes per hour (ACH), and ISO cleanroom class. For example, ISO 5 often requires hundreds of units operating together to maintain 500–750 ACH, while lower classes need fewer. Each FFU typically delivers 600–1,000 CFM, so designers calculate unit count based on airflow volume and room volume. This ensures uniform air velocity across the ceiling to sustain laminar flow and positive pressure.
Yes—advanced FFUs, especially ECM models, support integration with building management systems (BMS) and can be controlled via protocols like Modbus or BACnet. They can feature auto-control cards and sensors to modulate fan speed and airflow in real time, based on pressure or particulate readings. This networked capability allows centralized monitoring and optimization of hundreds of units across cleanrooms, improving energy efficiency and ensuring environmental compliance.
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Labtron Equipment Ltd., Quatro House, Lyon Way, Camberley, Surrey GU16 7ER United Kingdom
Email: info@labtron.com Whatsapp: +44 73 4441 2688 Phone: +44 2080 043608