Tube Holder Housing, 7-10 x 110mm, 5/8", L240 Back Catalog number: 200113 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9903-50 Charcoal Tube, Coconut Shell, Jumbo, 200/800mg, 10 Price on request 811-9981-50 Sorbent Tube, Porapak-N, 6X70, 88/44, 50/BX Price on request 811-9971-50 Sorbent Tube, Silica (H2SO2), 6X70, 150/75, 50/BX Price on request