The Department of Veterans Affairs seeks a brand name or equal radiation therapy phantom system for the VA Greater Los Angeles Healthcare System. The required system includes a Daily Isocenter Phantom with a base and an Advanced Electron Density Phantom with specific insert rods and software, all meeting detailed technical characteristics and compatibility requirements. Services will be performed at the VA Greater Los Angeles Healthcare System Supply Warehouse in Los Angeles, CA. The period of performance is within 90 days of placing the order. The contract will be a single, firm-fixed-price award evaluated using a Lowest Price Technically Acceptable process.