PharMed® BPT-stopper hoses, Ø inner 0.89 mm, Ø outer 2.56 mm, 6 unit(s)PharMed BPT stopper hoses, inner 0. 89 mm, outer 2. 56 mm Material: TPV. With biocompatible fluid surface specially for microbiological applications. Impervious to UV rays and light. Low gas permeability. In accordance with USP Class VI, ISO 10993 and FDA. Two stoppers, stopper gap: 152 mm. Technical Information internal 0. 89 mm ext. 2,56 mm Wall thickness 0,85 mm Length 381 mm Colour coding orange orange Temperature stability 50 to +135 C Colour