| 摘要 |
The aerators (1) are inserted in a water outlet of a sanitary drain valve with aerator-housing (4) from the outlet front side and is fixed detachably in usage position in water outlet. A spring arm (5,6) is formed at the outer periphery of aerator-housing. The spring arm is engaged from behind in usage position with its free arm end (7) of a rear section at the inner periphery of the water outlet. |
