Thermo Fisher15 mm PP Screw Seal, Black, Closed top, 15-425 thread, Assembled septumSKU · THC15151083
Thermo Fisher15 mm PP Screw Seal, Black, Closed top, 15-425 thread, Assembled septumSKU · THC15151083PK
Thermo Fisher18 mm PP Screw Seal, Black, Closed top, 18-400 thread, Assembled septumSKU · THC18152069
Thermo Fisher18 mm PP Screw Seal, Black, Closed top, 18-400 thread, Assembled septumSKU · THC18152069PK