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| Lead Time | Production and dispatch time deeply depends on the order volume of the exact client and logistics time also depends on the client's country of delivery. |
Passive valves (ventilators) perform the function of natural air ventilation. In fact, they are a budget solution in ventilation.
The passive intake fan is equipped with a G3 filter, which is able to clean the intake air from both small insects and flower pollen.
In the head of the ventilator there is a special stuffing, which is a heater and at the same time allows absorbing extraneous noises from the street. Thanks to this, the unit works quietly, and cold air will not blow into the room.
| Diameter of the body of the working module, mm | 125 |
| The diameter of the mounting hole | 142 |
| Length, mm | up to 1000 |
| Air cleaning filter | + |
| Flow shut-off valve | + |
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