Tube Holder Housing End, 5/8", for 1/4" OD, Open E Back Catalog number: 800071 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9978-20 Sorbent Tube, XAD-2, 8X110, 450/225, 20/BX Price on request 200115 Tube Holder Housing, 7 x 130mm, 5/8", L247 [Draege Price on request 811-9983-50 Sorbent Tube, Porapak-Q 6X110, 150/75, 50/BX Price on request