Products Microbiological media ready to use Test tubes TSA (tryptone-soya-agar) medium, slants. PwP-0090 TSA (tryptone-soya-agar) medium, slants. PwP-0090 Categories Test tubes Product description catalogue number: PwP-0090 Application: Universal culture medium for the cultivation of microorganisms. Pack size: 40 test tubes x 7 ml