G272 by ABM is Gentamicin at 50 mg/mL gentamicin sulfate in WFI, 10 mL, 0.2 µm sterile-filtered. Broad-spectrum aminoglycoside for cell culture contamination control. Use at 50 µg/mL (animal cells) or 15 µg/mL (bacterial cultures). Store at 2–8°C.