1、Premium Material: The RV fresh water tank is made of LLDPE, meets the food grade standard, shock resistant, able to withstand pressure, flexible and is heat and cold resistant, usable in environments from 40 to 80 degrees Celsius. 2、One Piece Construction: The tank is made in one piece, without any weld gaps, ensuring the tank's sealing. Its square design makes it easy to store and transport. 3、Fully Sealed: The entirely flat and smooth exterior of the tank is fully sealed. You can create holes in any location based on your needs, allowing it to fit in your vehicle or use. 4、130mm Inlet: The water tank has a 130mm large diameter inlet equipped with both a seal lid and outer cover for double protection, making it easier and faster for water to enter, can store 16 gallons of drinking water at once. 5、Wide Application: This water tank is suitable for freshwater storage in RVs, trailers, outdoor campers, boats, yachts and even domestic water storage, showcasing its versatility and practicality.