20 mm rubber stopper, grey, 3 feet, freeze drying, CIIR/55, 300 pc/PAK

Please note that this product is "made to order". Therefore an order cannot be canceled or returned even if delivery times are longer!

Use with screw caps for Screw Neck Diagnostic Bottles
Can be used with open top caps (240716-01 series) or closed top caps (240706-01 series)
Not recommended for use with crimp top caps
Autoclavable