Use SureSTART™ Performance Level 2 Polyspring Plastic Inserts in 2 mL screw, snap, or crimp top vials when analyzing small sample sizes of less than 2 mL.
Use SureSTART™ Performance Level 3 Glass Inserts in 2 mL screw, snap, or crimp top vials when analyzing very small sample sizes (less than 2 mL). Note: Purchase is for Glass Inserts Only
Use Level 3 SureSTART™ GOLD-Grade Glass Inserts in 2 mL vials when analyzing small sample sizes containing analytes that strongly adsorb on a glass surface or are sensitive to sample pH changes.