Tube Holder Single Variable Flow, only Back Catalog number: 800072 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 7015377P Tube Tip Breaker, Package of 5 Price on request 800231 Tube Holder Kit, Quad Variable, 6 x 70mm Price on request