Description: This hydraulic steering filler kit is a accessory for your boat! Its clear hose allows you to clearly observe the flow of air bubbles, making the bleeding and filling processes simpler and more efficient. It ensures the entire steering system remains sealed during deflation. It's a great helper for easily changing the fluid in your boat while keeping everything tidy. 1. Fits for Seastar hydraulic steering system.2. For refilling boat's steering system fluid.3. To refuel ship's steering system fluid, saves time during oil change and keeps system sealed, professional and efficient in deflation.4. Made of PVC and brass, practical and long service life.Bridge pipe installation steps:1. Attach the bridge pipe to the drainage joint of the steering cylinder and loosen the joint.2. Turn the wheels in one direction with the rudder to pump fluid out and push bubbles to the reservoir's rudder.3. Swing the outboard motor manually via the fully hinged joint to release trapped air and ensure good air discharge.Bottle nozzle installation steps:1. Fit the end with the screw cap onto the oil bottle mouth and tighten it firmly.2. Attach the other end to the stuffing box.3. Simply reverse the oil bottle and pierce the bottom to initiate the flow.Package List: 1 Bridge Tube, 1 Filler Hose w/ Screw Cap (11/20" straight pipe thread fitting), 1 Sealing tape