Sorbent Tube, XAD-7, 6X110, 100/50, 50/BX Back Catalog number: 811-9979-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800062-10 Tube Holder Housing End, 1/2" for 6mm OD (Packg of 10) Price on request 400253 Tube Holder, Clear Storage Box Price on request 800062 Tube Holder Housing End, 1/2" for 6mm OD Price on request