Tube Holder Single Variable Flow, only Back Catalog number: 800072 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9976-20 Sorbent Tube, XAD-2, 6X110, 150/75, 20/BX Price on request 7015377P Tube Tip Breaker, Package of 5 Price on request 800253 Single Variable Flow Kit, 6 x 70mm (Standard Charc Price on request