This is a Priority Care service contract for a BD FACS Aria Fusion 5-laser flow cytometry instrument and one workstation, excluding printers and consumables. Coverage includes travel, labor, and parts; unlimited service visits Monday–Friday excluding BD holidays; a 2-business-day guaranteed emergency response; and onsite service Monday–Friday 8AM–5PM local time. The contract also provides two preventive maintenance visits per 12-month period with required PM kits, software revisions at PM visits, and unlimited telephone support for instruments, reagents, and applications at no extra charge. The service is needed for continued maintenance, technical support, preventive maintenance, parts, and software revisions for an instrument integral to the NHGRI Flow Cytometry Core Facility.