Tube Holder Kit, Quad Variable (Includes 6x70mm, 7 Back Catalog number: 800249 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200113-10 Tube Holder Housing, 7-10 x 110mm, 5/8", L240 (Pac Price on request 811-9971-50 Sorbent Tube, Silica (H2SO2), 6X70, 150/75, 50/BX Price on request 800066-10 Tube Holder Collar Clip, for 1/4" OD, 1/8" ID Tubi Price on request