Single Tube Holder Kit, 7-10 x 150mm Back Catalog number: 800260 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9981-50 Sorbent Tube, Porapak-N, 6X70, 88/44, 50/BX Price on request 811-9969-100 Sorbent Tube, Silica, DNPH, 6X110, 300/150, 100/BX Price on request 200115 Tube Holder Housing, 7 x 130mm, 5/8", L247 [Draege Price on request