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  • EXTR0017
  • EXTR0017
  • EXTR0017
  • EXTR0017

Crown cuff

EXTR0017

Sold by Natural Systems. More information

Metal crown sleeve, with which we can take a tube socket of the size we want from any flat surface, such as a wall or a wooden box.
The Corona sleeves are used to securely fix the ventilation duct tubes.

To buy a 150mm box add 18 units.
To buy a 20 0mm box add 24 units.
To buy a box of   250mm add 8 units.
To buy a box of   315 mm add 7 units.

Format:

For example, it helps us to make a hole in the wall to take the extraction outside, we make a hole the size of the tube in the wall and screw the crown to the wall, leaving the space of the tube free and being able to tape the tube Adhesive to the crown without fudging.
Many wooden box pullers do not include them, which will be an economical option to solve the problem.
Available in all sizes from 100mm. up to 315mm.