The 50mm sterile petri dishes are a perfect fit for 47mm membrane filters. These convenient snug-fit dishes prevent membrane filters from drying during incubation. The polystyrene dishes have squared edges and raised ridges for ease of handling and secure stacking. Available with or without pre-loaded absorbent cellulose pads. Dishes are gamma sterilized and manufacturer's compliance is available upon request.

The 100mm sterile petri dishes are an economical choice when preparing dehydrated media. Their flat bottom surface allows for fast media jelling and the case of 500 contains conveniently packaged sleeves of 20 dishes each.