This items is made to order and is not returnable and order cannot be canceled.
CUSTOM ITEM: Caps, Screw Top, with an Open Hole, "knurled", polypropylene, Black Caps. Septa are sold separately and must be inserted manually. For use with 13-425mm thread, 15x45mm autosampler vials. MICROSOLV Brand. 100/PK.
Additional Info: