1/4" x 3.5" SilcoNert™ (Inert Coated) Stainless Steel Tube, Uncapped, Empty, Unconditioned, Minimum Order Quantity of 10

1/4" x 3.5" SilcoNert™(Inert Coated) Stainless Steel Tube with no caps. PTFE Microcaps are placed on each tube to keep debris from entering the sorbent during transit. Microcaps are not meant to seal or stop sampling. 1/4" stainless steel ATD sorbent tubes come in 3.5” length and are standard for PerkinElmer™, Markes™ and Shimadzu™ instruments. All internal metal parts are also inert coated. Popular sorbents are identified with either 1, 2 or 3 bands on the outside of each tube.