Round channels connector Zein, D = 125 mm, ventilation, with a patch plate and with a valve

The connector with the check valve and a plate for round channels of diameters of 125 mm. The valve prevents reverse traction when the fan is turned off, the plate is designed for installation on the ventilation hole in the wall. The connector is one of the elements of the ventilation air ducts.

application:

• for supply or exhaust ventilation of various rooms. /li>
• decorating mounting holes.

Construction:

• is made of white plastic.
• equipped with a gravitational valve for Prevention of reverse traction and wall plate.
• is installed in the channel and equipped with a locking ring.
• Interior diameters: 125 mm.