The FH line with G4 filter, in compliance with the NBR 16401-3 standard, is an ultra-compact, high-performance air supply unit designed for efficient and quiet ventilation systems. Equipped with a radial fan featuring a direct-drive limit load impeller, it delivers high airflow and pressure. Its sturdy reinforced sheet metal construction and special sealing ensure durability and easy maintenance, with quick access to both the filter and motor. Operating temperature range: -40°C to +65°C. It is energy-efficient and can be installed either vertically or horizontally.
Also available with the option of photocatalytic lamp and thermal protection.
About the Product

Main Features:
✲ Low energy consumption and quiet operation
✲ High airflow and pressure (Radial)
✲ Vertical or horizontal installation
✲ Motor with bearing and direct drive – no belts or pulleys required
✲ Quick-access cover for filter and motor, making maintenance easier
✲ Optional model for use with photocatalytic lamp
✲ Thermal protector
Technical Specifications
Technical specifications for 230V / 60Hz.
Noise level measured at 1 meter distance in semi-anechoic chamber.
Airflow and pressure data already include pressure drop of the G4 filter at half-life.
| MODEL | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 100 | 125 | 150 | 200 | 250 | 315 | 355 | 400 | ||
| Maximum Flow Rate | m³/h | 227 | 304 | 580 | 994 | 1445 | 1894 | 2315 | 3092 |
| CFM | 133 | 178 | 341 | 554 | 850 | 1114 | 1362 | 1819 | |
| Frequency [Hz] | 50 / 60 | ||||||||
| Motor Power [W] | 75 | 75 | 90 | 160 | 173 | 250 | 172 | 400 | |
| Total Power Absorbed [W] | 79 | 75 | 95 | 112 | 182 | 330 | 183 | 486 | |
| Sound Pressure Level [dB] * | 28 | 28 | 43 | 44 | 52 | 52 | 40 | 46 | |
| Ambient Sound Pressure Level – Leq [dBA] ** | 53 | 51 | 59 | 60 | 68 | 69 | 58 | 72 | |
| Single Phase Voltage [V] | 230 | ||||||||
| Maximum Pressure [mmca] | 35 | 37 | 40 | 63 | 51 | 54 | 42 | 55 | |
| Duct [Pol] | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | |
| Weight [kg] | 10 | 10 | 10 | 16 | 25 | 28 | 33 | 42 | |
** Specifications for 230V/60Hz. Ambient sound pressure level, radiated at 3 m in free field conditions, with ducts on the inlet and outlet.

Models
FH 100 to 400

| MODEL | Dimensions (mm) | |||
|---|---|---|---|---|
| a | b | c | d | |
| FH 100 / 125 | 98/124 | 582 | 402 | 168 |
| FH 150 | 149 | 684 | 442 | 186 |
| FH 200 | 199 | 760 | 496 | 242 |
| FH 250 | 250 | 908 | 610 | 300 |
| FH 315 | 315 | 958 | 620 | 356 |
| FH 355 | 355 | 908 | 668 | 410 |
| FH 400 | 400 | 1094 | 760 | 442 |
| MODEL | Dimensions (mm) |
|---|---|
| FH 100 / 125 | 330 x 140 x 25 |
| FH 150 | 370 x 160 x 33 |
| FH 200 | 430 x 210 x 38 |
| FH 250 | 550 x 285 x 40 |
| FH 315 | 550 x 333 x 53 |
| FH 355 | 620 x 360 x 53 |
| FH 400 | 700 x 415 x 63 |
Download Center
FAQ
It’s very important to properly size the air supply unit according to the room dimensions (volume and shape), 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 space. If you’re not sure which product is best for you, you can contact one of our specialists. We have a dedicated team with the technical knowledge needed to help you make the right choice.





