Made of Borosilicate Glass.
Cat No. Cone Cone Size
4004A 19/26 14/23
4004B 24/29 14/23
4004C 25/29 19/26
4004D 29/32 19/26
4004E 29/32 24/29
4004F 34/35 19/26
4004G 34/35 24/29
4004H 34/35 29/32
4004I 40/38 24/29
