Tube holder plug for manifold Back Catalog number: 800229 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800071-10 Tube Holder Housing End, 5/8", for 1/4" OD, Open End (Packg of 10) Price on request 800253 Single Variable Flow Kit, 6 x 70mm (Standard Charcoal Tube) Price on request 800170-10 Tube Holder Hose Barb Fitting (Packg of 10) Price on request