Sorbent Tube, XAD-7, 6X70, 60/30, 50/BX Back Catalog number: 811-9980-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800138 Tube Holder Adapter for 5/8" Ends Price on request 800062-10 Tube Holder Housing End, 1/2" for 6mm OD (Packg of Price on request 800165-10 Sorbent tube adapter nipple for Dual manifold High Price on request