Gas Sampling Tube 250 ml ( 1 In Case)

Details:

Designed for the collection and storage of environmental samples. High vacuum valves are provided for evacuation and filling, open top cap with a ptfe/silicone septum allows analytical samples to be withdrawn, both ends are ground to accept 3/8” ferrules and hand-compressible fittings for a gas-tight seal, each size has a marking area for easy identification, manufactured from 33 expansion, low extractable borosilicate glass conforming to usp type i and astm e438, type i, class a requirements