This is a custom product which requires a minimum purchase of 20 bottles. Questions? Contact us! EpiCM-a-prf consists of 500 ml of basal medium, 10 ml of fetal bovine serum (FBS, Cat. No. 0010), 5 ml of epithelial cell growth supplement-animal (EpiCGS-a, Cat. No.4182), and 5 ml of penicillin/streptomycin solution (P/S, Cat. No. 0503). Note: Due to BPE in the growth supplement, formation of lipoproteins can cause precipitates to be present; the color may vary with different lots.