Thermo™ 20mm Crimp Cap, Beige PTFE/White Silicone, 100-pk
Use Thermo Scientific™ SureSTART™ 20 mm Crimp Caps with crimp vials that have a 20 mm opening, including our SureSTART 10 mL and 20 mL Glass...
Ibis Premium 20mm Crimp Cap, Blue PTFE/Blue Silicone, 100-pk Ibis Scientific aluminum crimp seals are a cost effective alternative with the same quality of major manufacturers.