through the tube valve 3 the urinal also has an additional odor seal or trap 9 with which the access to a drain line 7 can be closed off so as to be odor tight the additional odor trap 9 has a closure flap 10 that serves to close off a passage 11 on the closure flap 10 there is a weight 11 that pushes the closure flap 10 into the closed position by the force exerted by the weight moreover on the closure flap 10 there is an actuation lever 12 that when the actuation lever 12 is swiveled downwards opens the closure flap 10 against the restoring force exerted by the weight 11 in the depicted situation a projection 13 arranged on the odor trap 2 that is to be replaced pushes the actuation lever 12 downwards so that the additional odor trap in the depicted situation is opened as long as the odor trap 2 that is to be replaced remains in the drainage opening 1 as soon as the odor trap 2 that is to be replaced has been removed from the drainage opening 1 the closure flap 10 is swiveled into the closed position by the weight 11 since the actuation.