Charcoal Tube, Coconut Shell, Standard, 50/100mg, Back Catalog number: 801935 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 800139 Tube Holder Adapter for 1/2" Ends Price on request 800066-10 Tube Holder Collar Clip, for 1/4" OD, 1/8" ID Tubi Price on request 800249 Tube Holder Kit, Quad Variable (Includes 6x70mm, 7 Price on request