flat bottom flask single neck

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

Capacity(ml)	Ground mouth	O.D.of bulb(mm)	Height(mm)
25	14/23	41	70
50	14/23	53	88
50	19/26	53	94
100	14/23	65	100
100	19/26	65	106
100	24/29	65	109
150	19/26	76	117
150	24/29	76	120
250	19/26	88	134
250	24/29	88	139
500	19/26	110	158
500	24/29	110	161
500	29/32	110	167
1000	24/29	140	196
1000	29/32	140	199
2000	29/32	175	234
2000	34/35	175	237
5000	34/35	235	320

flat bottom flask single neck