11mm Snap vials are uniformly flat bottom for security with inserts.

Wide opening vial is easier to fill and provides a larger target area for the autosampler needle.

PTFE/Silicone septa are most popular for HPLC applications, and Pre-slit septa are easier to pierce with needles.

Pre-assembled caps and septa are convenient and minimize contamination from handling.

Free samples can be sent on request.