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| | | | 20924 | Empty Tube for Thermal Desorption O.D. × I.D. × L 1/2 in. × 12 mm × 7 in., stainless steel TD tube, pkg of 1 ea | pricing | | | 20853 | Storage Container For 1/2 in. x 7 in. TD Tube | pricing | | | 20984 | Tenax® TA O.D. × I.D. × L 1/2 in. × 12 mm × 7 in., stainless steel TD tube, preconditioned, pkg of 1 ea | pricing | | |