Prisma iPM outlet grille plastic. 291 x 291 mm cut-out. External is 336 x 316 mm. Thermal management accessory. Compatible with Prisma iPM M side panel. Fixing mode by clips. Air flow is 350 m3/h. Injected thermoplastic (ASA PC). Grey RAL 7035 external part. IP30, IP54 and IP31 Protection.