Tube Holder Quad Variable Flow, only Back Catalog number: 800075 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800135 Tube Holder Collar Clip, for 1/2" OD, 3/8" ID Tubi Price on request 800254 Single Variable Flow Kit, 5 x 150mm [Kitagawa TWA Price on request 800238 Tube Holder O-Ring Kit Price on request