WISP 48 Screw-Thread Caps, Black Polypropylene, Open-Hole, Red PTFE/Silicone Septa, 0.060″ w/Slit, 100-pk.

Choose preslit caps (available for some vials) to reduce the risk of needle bending, release vacuum from high-volume injections, and improve injection reproducibility when greater than 20% of vial volume is withdrawn.

Features & Benefits