round bottom flask three necks

high boro 3.3 glass furnace or glass tubing made directly,unfirom,including all sizes

Capacity(ml)	Middle ground mouth	Side ground mouth	Height(mm)
100	19/26	14/23	106
250	19/26	14/23	134
250	19/26	19/26	134
250	24/29	14/23	139
250	24/29	19/26	139
250	24/29	24/29	139
250	29/32	14/23	145
250	29/32	19/26	145
500	19/26	14/23	158
500	19/26	19/26	158
500	24/29	14/23	161
500	24/29	19/26	161
500	24/29	24/29	161
500	29/32	14/23	167
500	29/32	19/26	167
1000	19/26	14/23	188
1000	19/26	19/26	180
1000	24/29	14/23	196
1000	24/29	19/26	196
1000	24/29	24/29	196
1000	29/32	14/23	200
1000	29/32	19/26	200
1000	29/32	24/29	200
1000	29/32	29/32	200
2000	24/29	24/29	231
2000	29/32	19/26	234
2000	29/32	24/29	234
2000	29/32	29/32	234
3000	29/32	24/29	281
3000	34/35	24/29	284
5000	40/38	24/29	333
5000	50/42	24/29	337

round bottom flask three necks