Sorbent Tube, XAD-2, 8X110, 400/200, 50/BX Back Catalog number: 811-9975-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800134-10 Tube Holder Collar Clip, for 7/16" OD, 5/16" ID Tu Price on request 800066-10 Tube Holder Collar Clip, for 1/4" OD, 1/8" ID Tubi Price on request 800062-10 Tube Holder Housing End, 1/2" for 6mm OD (Packg of Price on request