Tube Holder Kit, Quad Variable (Includes 6x70mm, 7 Back Catalog number: 800249 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9975-50 Sorbent Tube, XAD-2, 8X110, 400/200, 50/BX Price on request 7013601 TUBE TIP CUTTER Price on request 800066 Tube Holder Collar Clip, for 1/4" OD, 1/8" ID Tubi Price on request