Sep 03, 2017 · Any combination of 1.5ml Screw Neck Vial 10-425 with one of. our 10mm PP Screw Seals can be obtained as a 2in1 KIT. Packed in a cleanroom class 10,000 which is a new hygienic. standard for chromatography vials. Closed top Seals and replacement septa area available with. immediate effect. NEW