Tube Holder Housing, 5 x 150mm, 1/2", S255 [Kitaga Back Catalog number: 200104 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 200102 Tube Holder Housing, 6x70mm, 1/2" OD, S225 Price on request 800138 Tube Holder Adapter for 5/8" Ends Price on request 800254 Single Variable Flow Kit, 5 x 150mm [Kitagawa TWA Price on request