Set Of Seven Two-Way Laboratory Glass Stopcocks With Long Stems – No. 3

Set of seven laboratory glass stopcocks with two connecting stems, ground-glass plugs and varying handle designs. Coloured rubber bands secure several of the plugs. One stopcock is covered with paper; its plug and handle cannot be fully checked in the photograph. Distinctive glass components for laboratory and chemical industry sets. A total of 24 similar items are available for grouped arrangements.