Sorbent Tube, XAD-2, 8X110, 100/50, 50/BX Back Catalog number: 811-9973-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800063-10 Tube Holder Housing End, 1/2" for 5mm OD (Packg of Price on request 811-9967-50 Sorbent Tube, Silica Gel, 8X110, 300/150, 50/BX Price on request 200504 Tubing, 1/8" ID x 1/16" W, Clear PVC, (10 ft) Price on request