National Scientific 13-425 Screw Thread Convenience Kits
By National Scientific![National Scientific 13-425 Screw Thread Convenience Kits](https://krackeler.com/tt/lg/graphics/0207/jpg/039-Product.jpg)
These Convenience Kits include 100 vials and 100 caps with pre-assembled septa. All items remain handy and dust-free. Caps with pre-inserted septa are not attached to vials—packaged in polybags.