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 811-9963-50 Sorbent Tube, Microlite, 6X70, 200mg, 50/BX Price on request 800073 Tube Holder Dual Variable Flow, only Price on request 200486 Tube Holder Tubing, 1/4" ID x 1/16" W (10 ft) Price on request