Cell Culture Media

  • ESF 921 Insect Cell Culture Medium, Protein Free
  • ESF 921 Delta Series
  • ESF AF Insect Cell Culture Medium, Animal Free
  • ESF SFM Mammalian Cell Culture Medium, Serum Free
  • BestBac™ Linearized Baculovirus DNA

Expression Systems’ well-characterized, high-performing, line of insect cell culture media are recognized as the industry standard for a multitude of applications. Our media formulations support the growth and productivity of most Lepidopteran (Sf9, Sf21, High Five™) and Dipteran (S2) cell lines.


Expression Systems offers a complete, animal-free medium formulation for the culture of HEK 293, CHO and hybridoma cell lines. Designed for use in suspension culture systems, ESF SFM supports robust growth and protein expression.