Caps, Snap Top, with 0.04" thick, White Silicone Rubber / Natural PTFE Pre-Slit Septa, fitted in smooth, polyethylene, Black Caps. For use with 11mm, 12x32mm Snap Top autosampler vials. BASIK Brand. 1000/CS.
Pre-Slit Septa are normally recommended for Waters Alliance and Acquity instruments.
Natural Septa does not have any color pigment and will not introduce extractables.
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