4 m suction hose without bend and adapter with bayonet and C 40 clip connection. In combination with a C-DN 40 bend, C 40 connecting hose or C 40 adapters, the hose is suitable for the following models: NT 361, 35/1, 561, 45/1, 611, 55/1, NT 601 K/F (fire brigade), NT 602 Eco, NT 700/702 Eco/702 I and all NT 65/2 und NT 72/2, NT 993 I, NT 802 I models.