Einzelway Single-Way Check Valve set with aluminum body and stainless steel ball check valves - Automatic air backflow prevention Built-in stainless steel ball check valves automatically block air backflow when draining oil, helping to keep the system clean and reducing mess. - Corrosion resistant and easy to service Aluminum body resists brake fluid corrosion and allows easy tightening or loosening of hoses for quick setup and maintenance. - Fast brake fluid delivery The brake fluid drain hose is designed to deliver brake fluid quickly during maintenance, improving efficiency. - Simple, secure clamp attachment Includes a clamp to easily and securely attach to motorcycle fittings for reliable oil draining. Examples of use - During an oil change on a motorcycle, connect the hose, clamp it to the fitting, and drain oil with built-in backflow protection to minimize spills. - When bleeding or flushing brake fluid, use the drain hose to transport fluid quickly and safely while the aluminum body resists corrosion. - Routine maintenance on hydraulic clutch or other fluid lines, using the single-way check valves to prevent backflow and simplify hose connections. Specifications (based on original design) - Function: Single-Way Check Valve - Material: Aluminum body; stainless steel ball check valves - Application: Oil draining and brake fluid transfer on motorcycles - Assembly: Clamp for securing to motorcycle fittings - Performance: Prevents air backflow and enables quick hose setup and removal