Adopter 2 neck 4001102 Posted on February 20, 2017 by admin Made of Borosilicate glass. Cat No. Cone Cone Size 4001102A 14/23 14/23 4001102B 19/26 19/26 4001102C 19/26 24/29 4001102D 24/29 24/29 4001102E 19/26 35/34 4001102F 29/32 29/32