May 21, 2021 · Titeseal found in: Shell Vials, Shell Vials, Clear N-51A Borosilicate Glass, with White Polyethylene Plug Style Needle Closure (Not Attached), TITESEAL®,.. Shell vial of N-51A borosilicate glass Plain top Open bottom TITESEAL® closure (not attached) 0.5 dram vial measures 12 mm o.d. x 35 mm length. 1 dram vial measures 15 mm o.d. x 45 mm length.