Membrane filters with dehydrated media pads

Each set consists of a Ø 50 mm or Ø 47 mm pad, impregnated with nutrient media, packed dry and sterile in a Petri dish, with a membrane filter. After filtration of the sample the membrane is placed in the dish and incubated. More types available on request. Simply prepared by the addition of 3,5 ml sterile, demineralised water Individually sterile packed Can be kept 18 to 24 months at room temperature, depending on the type