Microsolv Snap Cap yellow, White Sil/Red PTFE Septa, fitted in smooth, PE, for use with 11mm, 12x32mm Snap Top autosampler vials, 1000 pc/PAK

Caps, Snap Top, with Soft-Guard, White Silicone Rubber / Red PTFE Septa, fitted in smooth, polyethylene, Yellow Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. Soft-Guard Brand. 1000/CS.