Screw Caps for Vials, Solid Top, Blue, PTFE only Liner
Use with screw top 12x32mm vials with 9-425mm threads, BASIK Brand™
- Screw Thread:
- Polypropylene cap with fitted ultra-pure silicone/PTFE septa
- Solid ribbed cap, no hole
White PTFE Liner
- View solid cap with Sil/PTFE liner
Solid cap turns vials into storage vials.
White PTFE is very inert.