Tube Holder Housing, 7 x 130mm, 5/8", L247 [Draege Back Catalog number: 200115 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 800232 Tube Holder Kit, Deluxe (Single, Dual, Triple & Qu Price on request 800074 Tube Holder Triple Variable Flow, only Price on request