20mL SPME Clear Radius Bottom Vial, 23x75mm, 20mm Flat Top Crimp, Thicker Lip Finish 32020SP-2375

SPME Specialty Vials with 20mm Crimp and Rounded Bottoms. The SPME vials with a thicker lip are available in 10mL and 20mL vial capacities. The thicker lip maintains a tighter seal. For SPME applications, a 20mm aluminum seal with a thin septum would be ideal in order to extend the life of the needle.