The Department of Veterans Affairs is seeking sources for four portable reverse osmosis water purification systems to support hemodialysis operations at the James J. Peters VAMC in Bronx, NY. This is a sources sought notice for planning purposes only, not a solicitation, and responses are due by July 27, 2026. The required systems must be cart-mounted, meet AAMI water quality standards, and include installation, commissioning, and technical training. Training must begin within 30 days of installation, with a follow-up session within 90 days. No budget amount is specified in the notice.