3M™ Petrifilm™ Aerobic Count Plate

  • Aerobic Count results as soon as 48 hours.
  • Plates are sample-ready, eliminating the time-consuming, cumbersome step of preparing media/agar dishes.
  • Can be used with the 3M™ Petrifilm™ Plate Reader for consistent, fast, automated reading and recording of results.
  • This plate has been awarded Official Methods of Analysis (OMA) #986.33 for Milk (OMA) #989.10 for dairy products (OMA) #990.12 for food NF VALIDATION certificate: 3M 01/01-09/89 by AFNOR Certification for all human food products, pet food, industrial environmental samples.
  • Food processors and Contract labs worldwide trust 3M Petrifilm Plates to provide accurate, efficient, consistent results.
  • Versatile: It can be used for air, swab, or surface contact environmental sampling


Approved Environmental Marketing Claim (EMC)
-3M Petrifilm Plates provide a significantly more sustainable alternative to traditional agar tests for quantitative microbial indicator testing of food and beverages. Reducing: 66% Waste 75% Greenhouse Gas Emissions 76% Energy Use 79% Water, 3M Petrifilm Plates provide a sustainable alternative to traditional agar tests for microbial testing of food and beverages. Reducing: 66% Waste, 75% Greenhouse Gas Emissions, 76% Energy Use and 79% Water
Manufacturing Segment
-Environmental Monitoring, Packaging & Storage Testing, Post-Chill, Pre-Chill, Primary Processing, Raw Milk Reception, Ready-to-cook, Ready-to-eat
-100 plates/box, 1000 plates/case
Recommended Industry
-Bakery, Beverage & Bottled Water, Confectionary, Dairy, Eggs, Fruits & Vegetables, Grain & Oilseed Milling Sector, Meat, Nutraceuticals, Nuts, Pet Food & Animal Feed, Poultry, Prepared & Processed Foods, Seafood
Storage Temperature
-Store at temperatures less than or equal to 8°C.
Test Type
-Environmental Test


The 3M™ Petrifilm™ Aerobic Count Plate is a time-saving, sample-ready plate designed to determine total aerobic bacteria populations.

A built-in grid facilitates counting colonies, helping to provide fast, precise and consistent results. Each 3M Petrifilm Aerobic Count Plate contains a water-soluble gelling agent, nutrients and indicator — all the components needed for microbial growth with no agar preparation required.

The 3M Petrifilm Aerobic Count Plate provides total aerobic count in as little as 48 hours. A red indicator dye in the plate colors all colonies red for better contrast and easier colony counting. The red colonies are also easily distinguished from opaque food particles that can cause confusion when using other plating methods.

In addition, 3M Petrifilm Aerobic Count Plates can be used to aerobically or anaerobically enumerate lactic acid bacteria in food and environmental samples.

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Environmental Monitoring Procedures Article (PDF, 1001.0KB)

3M™ Petrifilm™ Plates Brochure (PDF, 633.2KB)

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