Sorbent Tube, Microlite, 6X70, 200mg, 50/BX Back Catalog number: 811-9963-50 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 200505 Tubing, 1/8" ID x 1/16" W, Clear PVC, (3 ft) Price on request 800261 Single Tube Holder Kit, 7-10 x 175mm Price on request