Tube Holder Triple Variable Flow, only Back Catalog number: 800074 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800062-10 Tube Holder Housing End, 1/2" for 6mm OD (Packg of 10) Price on request 200113-10 Tube Holder Housing, 7-10 x 110mm, 5/8", L240 (pkg of 10) Price on request 800149 Single Tube Holder Kit, 6 x 70mm (Standard Charcoal Tube) Price on request