Specifications include, but are not limited to: •Integrated preclinical multi-modality imaging system with a minimum of sequential MR and PET capabilities for whole body imaging of rodents. Optimal configurations would also include CT capabilities and a common operating system across all imaging modalities•Cryogen-free MR magnet with field strength of at least 3.0 Tesla•Minimum MR bore diameter of 17 cm•Separate RF coils for whole body, head and cardiac imaging of mice and rats•Minimum PET trans axial field of view of 80 mm, axial field of view of 46 mm and spatial resolution less than or equal to 0.8 mm •Life monitoring unit•Workstations and integrated analysis software•Warranty and service contract for three years from date instruments become operational•Dedicated implementation team for the duration of the installation and launch•On-site user training and supplemental online or remote training resources•Human customer service resources available during regular business hours and electronic customer service resources available after-hours and on weekends