A storage chamber (15) configured to hold a certain amount of material (2), a weighing element (33) configured to be moved in a moving direction with respect to a storage chamber (15), and a sealing member mechanically coupled with the weighing element (33) (3) An encapsulating member (31) includes an opening (20) receiving a metering element (33), and a sealing member (31) includes at least one seal lip (81) that can be deflected in a direction corresponding to the moving direction of the metering element (33), inhaled An assembly for vice (1) is provided. Further, the sealing member (31) includes an opening (20) receiving the metering element (33), the sealing member (31) includes at least one seal lip (81) and the seal lip (81) is biased in the direction corresponding to the moving direction of the metering element The use of a sealing member (31) mechanically coupled to the metering element (33) of the inhalation device (1) is provided.ある量の物質(2)を保持するように構成された収納チャンバ(15)と、収納チャンバ(15)に対する移動方向で動かされるように構成された計量要素(33)と、計量要素(33)と機械的に協働する封止部材(31)とを含み、封止部材(31)が計量要素(33)を受ける開口部(20)を含み、封止部材(31)が、計量要素(33)の移動方向に対応する方向で偏向可能な少なくとも1つの封止リップ(81)を含む、吸入デバイス(1)のためのアセンブリが提供される。さらに、封止部材(31)が計量要素(33)を受ける開口部(20)を含み、封止部材(31)が少なくとも1つの封止リップ(81)を含み、封止リップ(81)が、計量要素(33)の移動方向に対応する方向で偏向するように構成される、吸入デバイス(1)の計量要素(33)と機械的に協働する封止部材(31)の使用が提供される。