Description Geneticin (Antibiotic G418) Description This product contains 50 mg/ml of active G418. It is 0.2 micron filtered and is tested for sterility. SKU G271 Storage Condition This product is stored at -20°C and is stable for 2 years. Shipping Condition Ice Packs Form Powder Concentration 10 to 50 μg/mL Product Type Selective Antibiotic