The National Institute on Aging (NIA) requires an animal rack and caging system for mice to replace outdated equipment in its vivarium, which houses over 19,000 mice. The new system must be a Tecniplast brand or equivalent, replicating the current proprietary system to ensure continuity for longitudinal animal research studies. Key features include individual ventilation caging, external water bottle holders, and materials resistant to high heat and cage wash chemicals. The procurement includes three high-density double-sided rack and cage systems, connection hoses, air units, 144 lids, cage bases, tops, water bottles, and cage card holders, plus a 25% excess for cage changing. Delivery is required within 90 days to the NIA facility in Baltimore, MD. The contractor must provide a commercial warranty and ensure all service is performed by certified technicians, covering all repair costs. The contract incorporates various Federal Acquisition Regulation (FAR) clauses concerning inspection, payment, disputes, termination, and compliance with federal laws and executive orders, including provisions for prompt payment and electronic invoicing.