1、100mm Water Inlet: The 5 gallon water tank features a 100mm large mouth inlet with double layer guard, making it easy to fill with clean drinking water for camping or outdoor activities. 2、Sturdy and Robust: Made of LLDPE material, this RV water tank can withstand temperatures from ‑40 to 80 degrees Celsius, resistant to shock and pressure, ensuring safe and reliable water storage for your RV. 3、Perfect Sealing: The water storage tank prevents leakage and breakage while providing a smoother and stylish appearance for easy storage and transportation. 4、Versatile Application: The fresh water tank is suitable for a wide range of vehicles and outdoor activities, including RVs, trailers, camping vehicles, boats, and yachts, can store up to 5 gallons of fresh drinking water for various uses. 5、Flexible Use: The water storage tank container is smoother and completely sealed, and you can open holes in any position according to your needs to adapt to your car or use.