Screw Caps w/Septa for 4 mL Screw Thread Vials. National-NSC C4015-30A

National Scientific Company (Thermo Scientific)

MPN:
C4015-30A
Sales Unit:
PACK
Black Screw Cap w/Ivory PTFE / Red Rubber
$44.15
See other item options
Order & Product Policies Learn more about Shipping and Returns
Screw Caps w/Septa for 4 mL Screw Thread Vials. National-NSC C4015-30A
These polypropylene screw cap won¬πt 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.