FFU Modules

Weiber FFU Modules are designed to provide unidirectional filtered and clean airflow over a clean room space. These specially designed units integrate a low noise high efficiency fan unit with HEPA/ULPA filter modules. Our FFU series adopts the latest domestic technology and provide high quality fresh air for different size and cleanliness level clean room. The HVAC fan filter unit is widely used in clean room and clean bench and clean production line laminar flow covers. The clean room Clean room Fan filter unit can be installed in wall (FFU) or ceiling (AVF).

Weiber is a leading manufacturer and distributor of customized non standard fan filter units in India. Price fan filter units are recommended for use in all types of cleanroom environments – semiconductor and microelectronics manufacturing facilities, as well as pharmaceutical and medical labs.

Salient Features

  • Can be integrated with larger sophisticated systems with PLC
  • No installer configurations are required
  • Adjustable Speed to suit individual specific requirements.
  • One Step – Set-Back capability
  • Low Noise
  • High energy efficiency
  • Low operating temperature


  • Semiconductor and microelectronics manufacturing facilities
  • Pharmaceuticals
  • Medical labs
  • Agricultural sector
  • Biotechnology

Technical Specifications


As per Matrix


Plenum is cold rolled steel finished with white powder baked enamel.

Compatible with

1-1/2” grid on 24” x 48” centers or 2” grid on 24.5” x 48.5” centers.

HEPA Filter: DOP test

HEPA filter is 99.99% efficient on removal of particles 0.3 by

Pre filter

20” x 20” x 1” – UL classified for Class 1; rated 80% efficient on linty dusts


Forward curved centrifugal type factory balanced.


Entire motor/blower assembly is removable from top of housing for service.


1/4 HP Direct drive, energy efficient. Permanent split capacitor type.


3-speed motor switch (lo-med-high) and separate on/off switch (2x4 models).

Noise Level

50 dBA


As per the matrix


1/4” eyebolts are installed in all (4) corners for hang wire support

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