Sorbent Tube, Porapak-Q 6X110, 150/75, 50/BX Back Catalog number: 811-9983-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9966-50 Sorbent Tube, Silica Gel, 6X70, 100/50, 50/BX Price on request 200115-10 Tube Holder Housing, 7 x 130mm, 5/8", L247 [Draege Price on request 811-9967-50 Sorbent Tube, Silica Gel, 8X110, 300/150, 50/BX Price on request