Tube Holder Housing, 7 x 130mm, 5/8", L247 Back Catalog number: 200115 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9903-20 Charcoal Tube, Coconut Shell, Jumbo, 200/800mg, 10x110mm, with end caps, 20Pack Price on request 158S Sensidyne Gas Detector Tubes, Styrene (2.5-300 ppm), pk/10 Price on request 800071 Tube Holder Housing End, 5/8", for 1/4" OD, Open End Price on request