Application: Environmental monitoring for isolators & clean rooms (surface and air monitoring), Detection of fungi and bacteria Packaging: 55 mm contact plate (20 or 200 plates per box) Synonym: TSA, CASO Agar, Casein Soybean Digest Agar with Lecithin, Tween, Histidin and Thiosulfate, Tryptone Soya Agar, Tryptic Soy Agar with neutralizer This listing is for 20 PC Fibre case