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 800075 Tube Holder Quad Variable Flow, only Price on request 200113-10 Tube Holder Housing, 7-10 x 110mm, 5/8", L240 (Pac Price on request 811-9964-50 Sorbent Tube, Microlite, 8X110, 500mg, 50/BX Price on request