" Our 5L 3 Neck Round Bottom Flask is constructed with 3.3 Borosilicate Glass with 2 - 24/40 and 1 - 34/45 neck for a durable, common size receiving flask to use. <div style="
" Our 5L 3 Neck Round Bottom Flask is constructed with 3.3 Borosilicate Glass with 2 - 24/40 and 1 - 34/45 neck for a durable, common size receiving flask to use. <div style="