Self-regulating air vents with sound attenuator.
SILEM KIT allows air renewal in a house via main rooms (living room, dinning room, bethroom).
Airflow of 22 and 30 m3/h
They are fitted into the wall. With this purpose, it is included a sheet metal sleeve (Ø 125 mm and 300 mm length) and external facade grille.

Humidity adjustable air vents with an acoustic frame for renewing air in the main rooms of flats and detached homes.
The acoustic frame offers great noise attenuation. They guarantee a variable flow of 6 to 45 m3/h according to the degree of humidity in the room, for a pressure difference of 20 Pa, It can be installed on carpentry elements or joined to a wall bypass sleeve.

Humidity adjustable air vents with sound attenuator.
SILEM KIT HY allows air renewal in a house via main rooms (living room, dinning room, bethroom).
Airflow of 22 and 30 m3/h They are fitted into the wall. With this purpose, it is included a sheet metal sleeve (Ø 125 mm and 300 mm length) and external facade grille.

Self-regulating air vents, manufactured in white or brown polystyrene.
Guaranteeing air renewal in a home through the main rooms (Living room, sitting room and bedrooms). Enabling an airflow of 22, 30 and 45 m3/h.
Fitted either to carpentry elements (in openings measuring 354×12 mm) or connected to a wall feedthrough tube.
The EC N air vent can have a cover that includes an insect grille, available in white or brown.

Self-regulating air vents, manufactured from injection moulded polystyrene and available in three air volume range (22, 30, 36 and 45 m3/h).
Fitted in openings measuring 354×12 mm.
Suitable for installation on window joinery by crews. The air inlet acoustic element is placed on the indoor side while the cover is fitted on the external side of the joinery.
An additional acoustic element can be slot into the air inlet (ECA+RA).

Self-regulating air vents, manufactured from injection moulded polystyrene.
They allow air renewal in a house via main rooms (living room, dinning room, bethroom).
Airflow of 22, 30, 36 and 45 m3/h.
It can be installed on carpentry elements or joined to a wall bypass sleeve.

Wall feed through tube sound attenuator polystyrene. Fitted to any wall surface after perforating the wall and embedding a 125 mm diameter PVC tube.

Humidity adjustable air vents for renewing air in the main rooms of flats and detached homes.
They guarantee a variable flow of 6 to 45 m3/h according to the degree of humidity in the room, for a pressure difference of 20 Pa, It can be installed on carpentry elements or joined to a wall bypass sleeve.

Humidity adjustable acoustic air vents for renewing air in the main rooms of flats and detached homes. They guarantee a variable flow of 6 to 45 m3/h according to the degree of humidity in the room, for a pressure difference of 20 Pa, It can be installed on carpentry elements or joined to a wall bypass sleeve.

Connectors made of galvanized sheet steel 0.75 mm thick. Used for fitting air inlets in walls.
Adapted to the air inlet grilles or air vents measuring 354 x 12 mm.