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are provided for evacuation and filling, Open top cap with a PTFE/silicone septum allows analytical samples to be withdrawn, Both ends are ground to accept 3/8” ferrules and hand-compressible fittings for a gas-tight seal, Each size has a marking area for easy identification,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