Escherichia B strain is a rod-like bacterium which is Gram Negative and is susceptible to T4 bacteriophage.Pack Size: 1 x Bacterial SlopeStorage: Room Temperature (or in the fridge to pro-long life)Subculturing: MonthlyIncubation: 30°C**Please note that all of our Bacterial Cultures have been developed for us in schools for educational purposes. They are not recommended for research or commercial use.**