Sorbent Tube, Silica Gel, 6X70, 100/50, 50/BX Back Catalog number: 811-9966-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800136-10 Tube Holder Collar Clip, for 5/8" OD, 1/2" ID Tubing (Packg of 10) Price on request F-PRO-1218 Universal Tube Holder System - Instruction Manual Price on request 811-9976-20 Sorbent Tube, XAD-2, 6X110, 150/75, 20/BX Price on request