Sorbent Tube, Florisil, 6X70, 100/50, 50/BX Back Catalog number: 811-9985-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800135-10 Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubi Price on request 800262 Single Tube Holder Kit, 7 x 130mm [Draeger Long T Price on request 200157 U-Tube replacement for P/N 800143 Price on request