✔ Chromatography flow control adapter.

✔ With standard taper joint. 

✔ 0-4mm High vacuum valve with metering tip to adjust air pressure. 

✔ Chromatography flow control adapters are made of borosilicate glass, heavy duty design and high transparency, durable and sturdy. 

✔ Used with chromatography columns for pressure control during pressurized column chromatography separations.