The PERF-R20 is a return & exhaust air grille which can be used in commercial or industrial application which requires low resistance, high to medium air volume. The PERF-20 grille can be mounted in different ceiling styles: Lay in, T bar ceiling and Surface mount as standard.
02 Standard Construction
Frame are constructed from heavy extruded aluminum material with interlocked corners and mechanically stacked to form a rigid frame. Face pattern with 3/16″ (5mm) diameter holes on 1/4″ (6mm) centers with 51% free area Countersunk screwholes in the border for fixation.
Aluminium Mill finish.
An optional with opposed blade damper or aluminum filter section is available
Maximum single size is 48”x36” (1200x900mm). Larger sizes are constructed of factory joined multiple sections.
- Without a frame
- All type of RAL finishing
- Concealed clips for fixation
- Rubber gasket on the back of the frame.
- Black painted opposed blade damper.