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Screw Caps with Septa for 4ml Vials
Screw Caps w/Septa for 4 mL Screw Thread Vials. National
These polypropylene screw cap won¹t contaminate sample when syringe needle is inserted, unlike phenolic caps that can flake. NC4015-5A SepCap has integral septa made of 0.010" polypropylene; therefore, septa do not need to be ordered. NC4015-30A, NC4015-40A, NC4015-75A, NC4015-45W are pre-assembled with septa. 13-425 thread finish.
These polypropylene screw cap won¹t contaminate sample when syringe needle is inserted, unlike...
Catalog No: NC4015-1A | NC4015-1W | NC4015-5A | NC4015-30A | NC4015-40A | NC4015-75A | NC4015-45W