Tube Holder Kit, Dual Variable Manifold (Includes Back Catalog number: 800251 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800262 Single Tube Holder Kit, 7 x 130mm [Draeger Long T Price on request 800136 Tube Holder Collar Clip, for 5/8" OD, 1/2" ID Tubi Price on request 811-9979-50 Sorbent Tube, XAD-7, 6X110, 100/50, 50/BX Price on request