Triple Variable Tube Holder Kit, 6 x 70mm Back Catalog number: 800230 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800229 Tube holder plug for manifold Price on request 800253 Single Variable Flow Kit, 6 x 70mm (Standard Charcoal Tube) Price on request 800074 Tube Holder Triple Variable Flow, only Price on request