Tube Holder Kit, Dual Variable Manifold (Includes Back Catalog number: 800251 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800072 Tube Holder Single Variable Flow, only Price on request 800232 Tube Holder Kit, Deluxe (Single, Dual, Triple & Qu Price on request 800230 Triple Variable Tube Holder Kit, 6 x 70mm Price on request