The output of the wall zein, 170 x 170 mm, d = 100 mm, with a check valve, white

The wall output is installed on the outer wall onto the ventilation hole and is connected to the exhaust duct with a diameter of 100 mm. This modification of the ventilation grate with a check valve is used for exhaust ventilation.

application:

• for exhaust ventilation.
• for wall installation.

The design:

• is made of white plastic.
• are equipped with a round connecting flange for installation with an air duct Ø 100 mm.
• Equipped with a gravitational valve to prevent reverse traction.