The invention relates to microbiology and pilot may be used to study environmental characteristics of microorganisms in the environment containing large amounts of extraneous microflora as well as in certain hostile environments, e.g., in waste chemical, oil refining, metallurgical and other businesses. The goal - improving the insulation properties of the device and ease of operation. The inventive device consists of a chamber with open ends, an opening for sampling, and filters, which are hydrophilic microfiltration PTFE membranes which are attached to the ends of the chamber by means of flanges. The device provides long-term isolation in it studied microorganisms and prevents the entry of foreign bacteria, convenient and simple to operate.
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