The FH line, in its filter version, features high-efficiency air supply units with built-in filters for outdoor air intake. The G4/F8 class filters meet the requirements of standard NBR 16401-3, delivering excellent filtration quality. With an ultra-compact design and extremely low profile, the FH air supply unit is ideal for spaces with limited room. Its reinforced sheet metal construction and special sealing on joints and access covers ensure durability and easy maintenance. Operating in temperatures from -40°C to +65°C, it is the perfect solution for demanding and efficient ventilation systems.
About the Product

Main Features:
Construction Design:
✲ Direct-drive motor with integrated bearings, eliminating belts and pulleys;
✲ Internal electrical box with side access for easier installation and maintenance;
✲ Versatile installation, allowing vertical or horizontal mounting options;
✲ Thermal overload protector;
✲ Optional model compatible with a photocatalytic lamp.
Operation:
✲ Low energy consumption;
✲ Quiet operation;
✲ High airflow and pressure (radial fan).
Equipment:
✲ Models available in sizes from 100 to 400 mm;
✲ Models above 250 mm available exclusively with rectangular inlet.
Operating Temperature: -40°C / 65°C
Technical Specifications
| MODEL | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 100 | 125 | 150 | 200 | 250 | 315 | 355 | 400 | ||
| Maximum Airflow | m³/h | 178 | 218 | 430 | 651 | 787 | 1475 | 1657 | 2278 |
| CFM | 104,7 | 128,2 | 252,8 | 382,8 | 462,8 | 867,3 | 974,3 | 1339,5 | |
| Frequency | Hz | 50 / 60 | |||||||
| Total Input Power | W | 73,9 | 70,2 | 88,9 | 104,8 | 170,3 | 308,7 | 171,2 | 454,7 |
| Noise Level | dBA | 48 | 49 | 50 | 53 | 44 | 49 | 51 | 64 |
| Single-Phase Voltage | V | 220 | |||||||
| Maximum Pressure | mmCA | 26,0 | 27,0 | 30,0 | 30,0 | 31,0 | 38,0 | 30,0 | 41,0 |
| Duct | inch | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 |
| Weight | KG | 10 | 10 | 15 | 22 | 35 | 44 | 53 | 70 |
*Specifications for 220 V / 60 Hz. Sound pressure level measured at 3 m (9.8 ft) in a free field, with ducts connected to both the inlet and outlet. 1/3 octave band: 2.5 kHz.a
Performance Curves


Airflow and pressure data already consider the pressure drop of G4 + F8 filters at half of their service life.
Model
FH 100 a 200
| MODEL | Dimensions (mm) – Round Inlet | |||
|---|---|---|---|---|
| A | B | C | D | |
| FH 100 / 125 | 98/124 | 562 | 390 | 185 |
| FH 150 | 149 | 722 | 429 | 203 |
| FH 200 | 198 | 760 | 448 | 225 |


FH 250 a 400
| Model | Dimensions [mm/in] – Rectangular Inlet | ||||
|---|---|---|---|---|---|
| B | C | D | E | F | |
| FH 250 | 890 | 573 | 289 | 470 | 190 |
| FH 315 | 937 | 574 | 339 | 470 | 240 |
| FH 355 | 906 | 638 | 387 | 530 | 290 |
| FH 400 | 1087 | 720 | 425 | 590 | 320 |


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FAQ
It’s very important to properly size the air supply unit according to the dimensions of the space (volume and shape of the location), following the technical recommendations of standard NBR 16401-2008.
A good air supply unit should always provide better air quality, meeting the needs of your environment. If you’re not sure which product is best, you can get in touch with one of our specialists. We have a team of experts with the technical knowledge needed to help you make the best choice.






