Not required., 006500 – Fixing., 005064 – Noise reduction gasket for wall mounted toilet., Schallschutz Set 005090 – Noise reduction gasket., 100692 – Connecting set., 100730 – Connecting set., 100691 – Connecting set., 005072 – Pre-installation kit., 611000 - SensoWash Slim Shower Toilet Seat.