1/4in. O.D Glass and Stainless Steel Thermal Desorption Tubes"> 1/4in. O.D Glass and Stainless Steel Thermal Desorption Tubes"> Storage Endcaps for 1/4in. O.D Glass and Stainless Steel Thermal Desorption Tubes - Thermal Desorption for PerkinElmer®, Markes, DANI, OI-Analytical, and Shimadzu™ Instruments | Sigma-Aldrich