Sorbent Tube, XAD-2, 6X110, 150/75, 20/BX Back Catalog number: 811-9976-20 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800259 Single Tube Holder Kit, 7-10 x 110mm Price on request 811-9983-50 Sorbent Tube, Porapak-Q 6X110, 150/75, 50/BX Price on request 800253 Single Variable Flow Kit, 6 x 70mm (Standard Charc Price on request