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 a