Description: 【Enhanced Check Valve with Leakproof Design】Built in a way check valve prevents backflow, effectively reducing the risk of water source and protecting your from damage caused by reverse flow 【Material】304 stainless steel construction ensures long term performance and great resistance to rust, ideal for outdoor use 【Ergonomic Metal Dust Cap】Equipped with a metal dust cover to keep out dirt and debris, maintaining clean water quality for your RV or 【Easy Installation】 Features a 3/4" GHT female to 1/2" NPT male thread with a 3 inch flange, suitable for standard RV freshwater hoses and filters 【Versatile Fitment for Any Adventure】Whether you're a trailer owner, or marine enthusiast, the RV City Water Fill Inlet is the good addition to your setup. Its versatile fitment ensures suit for a wide range of Rv and marine vehicles, making it a must have accessory for all your outdoor adventures Specification: Material: 304 Stainless Steel  Size Chart: 10.7cmx7.5cmx7.5cm/4.21inchx2.95inchx2.95inch  Package Includes:1 Rv Water Inlet 1 Tape 4 Mounting Screws 1 Bag Accessory Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.