Glass Tubing, Borosilicate Glass, 24" Lengths, 5 mm o.d., 3 mm i.d., Pkg. of 10 | Flinn Scientific
Glass tube borosilicate glass dia 6mm 8mm 12mm 24mm 34mm heavy wall open end 50cm 500mm long 100cm 1000mm long abron AC-472T | Chemistry Bio Chemistry | Abronexport.com