Tube Holder Quad Variable Flow, only Back Catalog number: 800075 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800136-10 Tube Holder Collar Clip, for 5/8" OD, 1/2" ID Tubi Price on request 800071 Tube Holder Housing End, 5/8", for 1/4" OD, Open E Price on request 811-9902-20 Charcoal Tube, Coconut Shell, Large, 200/400mg, 8x Price on request