Feature 1Anti UV Material: Made from high hardness ABS and UV resistant material, the RV water filler cap is designed to withstand harsh weather conditions. 2Secure Lock: Equipped with a lock, cylinder, and keys made from stainless steel, this cap provides exceptional durability and security, preventing your water supply from interference. 3Excellent Seal: The included sealing ring ensures a complete seal, preventing water leakage and ensuring a secure fit for efficient water filling and storage. 4Ideal Replacement: Whether you've lost or damaged your current cap, this filler cap is an excellent replacement. The original lid must be the same shape as this lid, otherwise it is not compatible. 5Complete Set: Includes one filler cap and two keys, ensuring you always have a spare key on hand. The complete set offers everything you need to secure your RV's water supply. Item Type: RV Water Inlet Cap Material: ABS+ UV resistant material + rubber Application: Replace lost or damaged tank lids (please ensure that your original tank lid is the same shape as this tank lid, otherwise it is not compatible) Package List 1 x RV Water Inlet Cap 2 x Keys Note Before purchasing, please carefully check the shape of your original water tank cover and ensure it matches the shape of our product.