Round bottom boiling flask 3 neck 29/32, 24/29, 24/29 3000mL. Superb quality, AusChems Glassware Australia brand. Thick walled borosilicate 3.3 to withstand vigorous vacuum distillation.
The central joint is 29/32, the side joints are 24/29.
Shipping weight of this item is 3kg due to the size, with lots of foam packaging to prevent breakage.