Caps, Screw Top, with an Open Hole. "Knurled", polypropylene, Blue Caps. Septa are sold separately and must be inserted manually. For use with 9-425mm thread, 12x32mm autosampler vials. AQ Brand. 1,000/CS.
These caps are used for our Soft-Guard Brand Caps.
Click HERE for Septa to use in these caps.