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 811-9969-100 Sorbent Tube, Silica, DNPH, 6X110, 300/150, 100/BX Price on request 800071-10 Tube Holder Housing End, 5/8", for 1/4" OD, Open End (Packg of 10) Price on request 800681-1 Tube Breaker Kit, Black, LFS-113 Price on request