... room, meeting room, ETC.PERFORATED PATTERN:We have round hole, square hole, micro hole, irregular hole, custom tailored can be made according to requirements. ... and pattern.R: Globe perforation, 6mm, 8mm, 12mm, 15mm circular holesQ: Quad perforation, 10 x 10mm, 5 x 5mm ... Micro perforation, 3 x 3mm square holes, 3 x 3 circular holesH: Perforation layoutS: Surface coating, PVC veneer, plain, distribution ...