Sorbent Tube, Silica Gel, 6X70, 150/75, 50/BX Back Catalog number: 811-9965-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9972-50 Sorbent Tube, TenaX, 8X110, 100/50, 50/BX Price on request 7015377P Tube Tip Breaker, Package of 5 Price on request 800232 Tube Holder Kit, Deluxe (Single, Dual, Triple & Qu Price on request