Feature: 1. Food Grade Material: Made from LLDPE, the RV fresh water tank meets food grade requirements and standards for drinking water, resistants to shock, pressure, heat and cold, and can be utilized in environments with temperatures ranging from -40 to 80 ℃. 2. Seamless Design: Utilizing an integrated molding technique, the water holding tank boasts a seamless design that ensures its sealing. This makes it less prone to breakage and water leakage. Its square shaped design makes it easy to store and transport. 3. Versatile Use: The water container tank's smooth, completely sealed exterior can be customized according to your needs. Holes can be opened at any position to adapt to your cabin or usage requirements. 4. Large Capacity and Easy Filling: Equipped with a 130mm diameter inlet, with seal cover and outer cover, this tank allows easy and fast water filling. It can store up to 21 gallons of drinking water at a time, ensuring convenient access to clean water, even when camping outdoors. 5. Wide Application: This fresh water tank is versatile and ideal for different uses. It can be used in RVs, trailers, outdoor camping vehicles, boats, and yachts for freshwater storage, and even suitable for storing water for household use. Specification: Item Type: RV Water Tank Material: LLDPE (food grade) Capacity: 21 Gallon / 80 L Size: Approx. 745 x 355 x 295 mm/29.33 x 13.98 x 11.61 in Characteristic: One time molding, smooth interior and exterior, solderless seamless hollow design Functions: Suitable for RV water storage, equipment liquid storage, hydroponic planters, etc. Application: Fit for RV, trailers, boats, yachts. Package List: 1 x Water Tank