33-430 CAPOPNPP/SIL/PTFE, 1 Case

Microlink? Screw Cap, Open Top, 33-430, Black, Polypropylene, PP/Silicone/PTFE Liner, Autoclavable (Case of 50) 
 
WHEATON? MICROLINK? Screw Cap
 
Ideal for use with biological media, volatile solvents, corrosive chemicals and sensitive compounds
Liner is ultrasonically welded to the cap to eliminate the possibility of glue contamination and bond failure common with autoclaving
Available in convenient Lab Pack quantities as well as larger Case Packs
Low-compression-set silicone ideal for the storage of samples for prolonged period of time over wide temperature ranges
PTFE or polypropylene on the exposed face of the liner imparts an inert, chemical-resistant surface
Open top caps provide access with a syringe
Autoclavable