Ideal for the isolation and enumeration of yeast and mold colonies from water and beverages using the Membrane Filter Technique referenced in Standard Methods for the Examination of Water and Wastewater.

• Dark background
• Excellent contrast
• Modified polysulfone

Dark background provides an excellent contrast for counting opaque colonies and light colored particulate.

Made of modified polysulfone. White grid on membrane is composed of a dot pattern that does not inhibit growth of yeast or mold colonies.