Microsolv Snap Top Cap black, smooth PE, with white Sil/red PTFE Pre-slit Septa, for 11mm, 12x32mm Snap Top autosampler vials, 1000 pc/PAK

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