E-PER: Suction grille made of perforated sheet metal with 5 mm diameter holes, lacquered in white (perforation coefficient of 46%), forming a tray to allow the placement of a filter.

E-PER-FIL: E-PER type grille with filter, mesh and springs.

Fixing: E-PER type grilles rest on the aluminium frame with a "T" type profile or other modular frames. Manufactured in three standard sizes, it can be placed together with other larger frames, thus multiplying the dimension of the gap to be covered.

Only the 593x593 perforated sheets have a non-perforated edge. For other dimensions the entire sheet will be perforated. Possibility of manufacturing perforated sheet with holes of other diameters (2.5 mm = perforation coefficient 23%). Consult price.

Finish: White lacquer. Consult for other finishes.

Applications: Returns placed on the ceiling.