Sorbent Tube, XAD-2, 8X110, 150/75, 50/BX Back Catalog number: 811-9974-50 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800232 Tube Holder Kit, Deluxe (Single, Dual, Triple & Qu Price on request 200112-10 Tube Holder Housing, 7-10 x 150mm, 5/8", L255 (Pac Price on request 800231 Tube Holder Kit, Quad Variable, 6 x 70mm Price on request