Tube Holder Kit, Dual Variable Manifold (Includes Back Catalog number: 800251 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800063-10 Tube Holder Housing End, 1/2" for 5mm OD (Packg of Price on request 200504 Tubing, 1/8" ID x 1/16" W, Clear PVC, (10 ft) Price on request 800149 Single Tube Holder Kit, 6 x 70mm (Standard Charcoa Price on request