1/4" x 3.5" Glass Tube with Brass Analytical Caps. Manufactured by Camsco in the USA. 1/4" glass ATD sorbent tubes come in 3.5” length and are standard for PerkinElmer™, Markes™ and Shimadzu™ instruments.
Amberlite and XAD are registered trademarks of The Dow Chemical Company or an affiliated company of Dow. Supelpak, Carbosieve, Carboxen and Carbopack are trademarks of Sigma-Aldrich Co. LLC. Anasorb is a registered trademark of SKC, Inc. Chromosorb is a registered trademark of Imerys Minerals California, Inc. HayeSep is a registered trademark of Hayes Separation Inc. Tenax is a registered trademark of Buchem B.V.. Carbograph is a trademark of LARA S.r.l. Markes is a trademark of Markes International. PerkinElmer is a trademark of PerkinElmer, Inc. Shimadzu is a trademark of Shimadzu Corporation.