NOAA's National Centers for Coastal Ocean Science requires preventative maintenance for a Beckman Coulter Flow Cytometer at the NOAA Hollings Marine Laboratory in Charleston, SC. The estimated period of performance is September 1, 2026 through August 31, 2027. A firm-fixed-price contract will be awarded based on best value, considering technical approach, past performance, and price. This requirement is set aside for small business under NAICS code 811210. All services must comply with Service Contract Labor Standards, and offerors must include specified information and statements with their quotes.