Accidental opening prevention: The secure lock design stops accidental openings and blocks external debris, helping keep the water inside your RV freshwater inlet clean and uncontaminated. Splashproof freshwater filling: The tilted water filling design enables smooth, splash operation and easier use for RV owners, with an efficient flowguiding feature to improve the filling experience. Longlasting performance: Built from polypropylene (PP), zinc alloy, and iron for sturdy, wearresistant performance that remains reliable over time and adapts to temperature changes without compromising function. Two independent keys included: A doublekey backup system provides two separate keys, preventing interruptions caused by lost keys and ensuring consistent access and operation. Use scenarios Campground hookups: When parked at a campground, the secure lock helps prevent accidental openings from wind or movement, while keeping the inlet water clean for your fresh supply. On the road and in transit: While traveling or fueling up your RV, the splashproof filling and steady flow reduce spills and mess, making refilling your fresh water easier and more convenient. Cold weather or storage conditions: The durable materials and design maintain performance across temperature changes, and the two keys ensure you have reliable access even if one key is misplaced. Specifications and benefits at a glance Function: Inlet security with splashproof filling and reliable operation Compatibility: Suitable for RV freshwater inlet applications Material: PP, zinc alloy, and iron for durability and temperature resilience Performance: Longlasting, wearresistant construction with efficient flow guidance Access: Two independent keys for backup and uninterrupted use