For all the science folks out there - this borosilicate glass receiver adapter is serious lab quality! Made from heavy-duty 3.3 borosilicate glass, this thing can handle some serious heat - we're talking strain point at 515°C and softening at 820°C. The 24/29 socket size makes it super versatile for various lab setups, and that built-in vent and bend design gives you flexibility in your apparatus arrangements. At about 5.75 inches long, it's compact but mighty. Being autoclavable and chemically durable means you can use it in pretty much any lab situation without worrying about damage. Eisco Labs makes their own products with strict quality control, so you know you're getting equipment that'll last through countless experiments. Whether you're in a professional lab setting or a home science setup, this adapter provides reliable performance experiment after experiment. The quality is immediately noticeable - thick glass, perfect connections, just solid lab gear that does its job perfectly.