Black Phenolic Open Top Screw Caps, Thread 20-400, pkg of 200 ea, Z127299, Supelco (CAT#: STEM-L-1594-Y)

It is autoclavable, easy sterilization, is used as a closure type for the containers used to contain substances in order to prevent contamination.

Material: black phenolic cap
Features: closed black phenolic hole cover
Packing: pkg of 200 ea
Accessories: 20-400 thread

Black Plastic Caps, Thread 13-425, pkg of 200 ea, Z106429, Supelco (STEM-L-1583-Y)
Black Phenolic Open Top Screw Caps, Thread 15-425, pkg of 200 ea, Z106453, Supelco (STEM-L-1595-Y)
Black Phenolic Open Top Screw Caps, Thread 20-400, pkg of 200 ea, Z127299, Supelco (STEM-L-1594-Y)