Tube Holder Housing, 7-10 x 150mm, 5/8", L255 Back Catalog number: 200112 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9967-50 Sorbent Tube, Silica Gel, 8X110, 300/150, 50/BX Price on request 811-9981-50 Sorbent Tube, Porapak-N, 6X70, 88/44, 50/BX Price on request 800231 Tube Holder Kit, Quad Variable, 6 x 70mm Price on request