Our 5L 2 Neck Round Bottom Flask is constructed with 3.3 Borosilicate Glass and a 24/40 34/45 neck for a durable， common-size flask to use.
Capacity: 5000mL / 5L
Neck Size: 24/40 & 34/45
Necks: 2
We ship all glassware products with additional care， but sometimes they arrive broken. If glassware arrives broken， please contact us within 3 days of receiving your product and we will either send you a brand new piece or send you a refund! Any glassware broken after delivery voids all warranties. Thank you for understanding!
For Technical Support， Questions， or Other Issues Please Email or Call Us!
