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 811-9982-50 Sorbent Tube, Porapak-P, 6X110, 100/50, 50/BX Price on request 200115-10 Tube Holder Housing, 7 x 130mm, 5/8", L247 (pkg of 10) Price on request 800249 Tube Holder Kit, Quad Variable (Includes 6x70mm, 7-10x110mm, 7-10x150mm, 7-10x175mm) Price on request