5636 - fermentation tube 250ml for determining the degree of final fermentation 450 mm long, internal diameter: 42 mm/20 mm (Rubber stopper for fermentation tube according to lietz: ArtNr. 3050)
5635 - fermentation tube 750 ml for determining the degree of final fermentation 695 mm long, Internal diameter : 55mm/20 mm suitable rubber stopper for fermentation tube see ArtNr. 3050