The Rainbow Vacuum 4 Quart D4C SE Deep Water Tank Reservoir Basin Pan Bowl is an OEM replacement part specifically designed for Rainbow vacuum cleaners, including models D3C and D4C. Made of lightweight and easy-to-clean plastic in a brown color, this water tank has a 4 quart capacity and is 7 inches deep. Manufactured in the United States by the Rainbow brand, this tank is compatible with the Rainbow SE D3C D4C models and comes as a single item in the set. Perfect for maintaining your vacuum cleaner's water tank with quality and precision.