Tube Holder Tubing, 3/16" ID x 1/16" W (10 ft) Back Catalog number: 200524 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9902-50 Charcoal Tube, Coconut Shell, Large, 200/400mg, 8x Price on request 811-9980-50 Sorbent Tube, XAD-7, 6X70, 60/30, 50/BX Price on request 800074 Tube Holder Triple Variable Flow, only Price on request