Microsolv Snap Cap natural transparent, smooth, PE, with 0.04"" thick, white Sil/Natural PTFE Septa, for 11mm, 12x32mm Snap Top autosampler vials,

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