" Our 5L 24/40 1 Neck Round Bottom Receiving Flask is constructed with 3.3 Borosilicate Glass and has a 24/40 neck for a durable, common-size flask to use. <div style="font-size: 14pt; text-align: cente
" Our 5L 24/40 1 Neck Round Bottom Receiving Flask is constructed with 3.3 Borosilicate Glass and has a 24/40 neck for a durable, common-size flask to use. <div style="font-size: 14pt; text-align: cente