Manufactured from borosilicate glass 3.3
    An O-Ring has been added under the PTFE fitment to maintain a liquid-tight seal over a large temperature range (0-100 °C)
    Liquid contacts only glass and PTFE
    Stopcock is easily removed, providing easy access to column packing
    Tip and stopcock assembly are available as replacement components
    17810 series has a 250 mL reservoir at the top of the column