1、Versatile Application: This RV water tank is widely applicable in various places, including RVs, trailers, camping vehicles, boats, yachts, and can also be used for household water storage. 2、Convenient and Efficient Water Inlet: The water tank features a 130mm large caliber water inlet with dual layer protection of a sealing cover and an outer cover. This allows for easy and quick water filling, accommodating up to 18 gallons of drinking water or daily water usage. 3、Water Pipe Openings: The water storage tank has 40mm, 40mm, and 20mm threaded water pipe openings on both sides (a total of six openings). These openings can be modified according to your specific needs. 4、Leakproof Performance: The water tank is manufactured using a seamless molding process, ensuring its sealability and preventing it from cracking or leaking. Its square shape design facilitates storage and easy transportation. 5、Durable Material: The RV water tank is made of LLDPE material. It is also impact resistant, and resistant to extreme temperatures, making it suitable for use in environments ranging from ‑40 to 80 degrees Celsius.