Single Tube Holder Kit, 7-10 x 175mm Back Catalog number: 800261 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9963-50 Sorbent Tube, Microlite, 6X70, 200mg, 50/BX Price on request 200115 Tube Holder Housing, 7 x 130mm, 5/8", L247 [Draege Price on request 800170-10 Tube Holder Hose Barb Fitting (Packg of 10) Price on request