Results in 48 hours of incubation time. Plates are sample-ready, eliminating all the time-consuming steps of preparing media/agar dishes. Self-contained anaerobic environment enabled by oxygen-scavenging technology and oxygen-barrier films. No gas packs, chambers, or CO2 incubators needed. All-in-one method for differentiation of gas-producing colonies without Durham tubes or extra steps. This plate has been awarded Performance Tested Method (PTM) #041701 for selected foods and NF VALIDATION 3M 01/19-11/17 by AFNOR Certification for all human foods (excluding yogurts) and production environmental samples. The Neogen® Petrifilm® Lactic Acid Bacteria Count (LAB) Plate is a self-contained, sample-ready-culture-medium system which contains nutrients, selective agents, a cold-water-soluble gelling agent, and a tetrazolium indicator that facilitates colony enumeration. The Petrifilm LAB Plate contains oxygen scavenging compounds whiMeer tonenMinder tonen