The RAINBOW Vacuum 4 Quart D4C SE Deep Water Tank Reservoir Basin Pan Bowl OEM D3C is a brown plastic water tank designed specifically for Rainbow vacuum cleaners. It has a capacity of 4 quarts and is compatible with the Rainbow SE D3C D4C models. The tank features a lightweight and easy-clean design, making it convenient for maintenance. Made in the United States, this water tank is a genuine OEM part that includes one item in the set. With a depth of 7 inches, this water tank is a reliable replacement for your Rainbow vacuum.