300ul Micro-Insert,31*6mm,clear glass,flat bottom; suits for ND9 Vials

Instantly transform vials from full to limited volume with chromatography vial inserts for maximum content retrival. Manufactured in either borosilicate glass or polyproylene for sensitive samples, these instruments require less sample amounts. Designs offered include flat, conical, or mandrel point bottoms and may come with or without a plastic spring. Inserts work in conjunction with any autosampler and fit either standard or wide openings vials. Purchase in any micro volume size required.