Ventilation perforation in cover plate.
Depending on the cover model, cover 2 or 4 can be fitted, they always tend to be on the side parallel to the frames.
Our ventilation is made up of 23 holes.
Characteristics:- Number of holes: 23ud.
- Hole diameter: 2.25mm.
- Surface: 65x15mm.
(Standard position at 190mm center with double perforation on the side face, other perforations consult.)
Normally there are 4 perforations per sheet, price per perforation unit.
The edge distance can be 30 or 45mm.
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