Charcoal Tube, Coconut Shell, Standard, 50/100mg, Back Catalog number: 801935 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 800135-10 Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubi Price on request 800231 Tube Holder Kit, Quad Variable, 6 x 70mm Price on request 800064-10 Tube Holder Housing End, 5/8", for 7-10mm (Packg o Price on request