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 811-9974-50 Sorbent Tube, XAD-2, 8X110, 150/75, 50/BX Price on request 800253 Single Variable Flow Kit, 6 x 70mm (Standard Charc Price on request 200115-10 Tube Holder Housing, 7 x 130mm, 5/8", L247 [Draege Price on request