| 摘要 |
A filter for gas-mask contains the housing, the sorbent, the screwed neck, the cover with the outer thread, the filtering element disposed between the housing and the cover, the connection element with the internal thread and the annular ledge connected with the corresponding flange in the housing. The parts of the filter are made of plastic allowing for changing the used sorbent. The neck is made as a whole piece with the connector. The cover has the central opening. The connector has the rounded perforated surface used as a fixator for a sorbent. The filtering element is flat. The cartridge is equipped with the stoppers closing the neck and the opening in the cover.
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