Prisma P outlet grille plastic. 222 x 223 mm cut-out. External is 268 x 248 mm. Thermal management accessory. Compatible with ClimaSys CV fan. Fixing mode by screws or clipped. Injected thermoplastic (ASA PC). Grey RAL 7035 external part. 1 x G2 M1 synthetic standard filter incld. IP54 Protection.