Charcoal Tube, Coconut Shell, Standard, 50/100mg, Back Catalog number: 801935 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended 800136-10 Tube Holder Collar Clip, for 5/8" OD, 1/2" ID Tubi Price on request 800075 Tube Holder Quad Variable Flow, only Price on request 400253 Tube Holder, Clear Storage Box Price on request