Feature(may vary by option.)

●Polypropylene screw caps for use with Wheaton glass diagnostic bottles
●Use with Wheaton 224100-203 thin flange stopper
●Screw cap size 20-400
●Can be autoclaved / sterilized

[Red]

[Black]

[Blue]

Description

Wheaton unlined polypropylene screw caps are designed for use with Wheaton glass diagnostic bottles. These 20-400 solid and open top caps can be used with thin flange lyophilization stopper (Wheaton Number 224100-203). The contents can be accessed using a syringe through the stopper or with a pipette after removing the screw cap. These polypropylene closures are available in black, white, red, blue, and yellow.