Item Name: Aluminum Alloy Weld On Tank Filler Neck with Cap 1.5'' 1 1/2'' OD for Fuel Tanks. Product DescriptionFeatures:1. High quality aviation aluminum for good strength and welding properties.2. It meets aviation hose fitting requirements, precision machine tool to precision tolerance.3. Suitable for collecting oil tank, filling oil tank, water tank, dry oil tank, etc.4. Come with a O-shaped sealing ring and a natural aluminium screw on cap.5. Smooth finished design, durable and long lasting.Specification: