Microsolv Snap Cap yellow, smooth, PE, with 0.04" thick, white Sil/Natural PTFE Pre-Slit Septa, for 11mm, 12x32mm Snap Top autosampler vials, 1000 pc/

Caps, Snap Top, with 0.04"" thick, White Silicone Rubber / Natural PTFE Pre-Slit Septa, fitted in smooth, polyethylene, Yellow Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. BASIK Brand. 1000/CS.