Legionella pneumophila NCTC 12821 Lenticule discs,30-120 CFU, suitable for microbiology, certified reference material, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

Saccharomyces cerevisiae NCPF 3191 Lenticule discs,30-120 CFU, reference material, suitable for microbiology, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

Trypsin Spin Columns,

Candida albicans WDCM 00054 Vitroids™,1,000-10,000 CFU mean value range, certified reference material, suitable for microbiology, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland