The funnels are 40mm in diameter at the widest opening and the stem is 6mm outside diameter by 38mm length. The funnel is made from borosilicate glass which is resistant to breakage due to thermal shock from temperature changes.
Sold in a case of 192 funnels.
PRODUCT WARNINGS
Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.