Sorbent Tube, Microlite, 8X110, 500mg, 50/BX Back Catalog number: 811-9964-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 801935 Charcoal Tube, Coconut Shell, Standard, 50/100mg, Price on request 811-9980-50 Sorbent Tube, XAD-7, 6X70, 60/30, 50/BX Price on request 200504 Tubing, 1/8" ID x 1/16" W, Clear PVC, (10 ft) Price on request