| 摘要 |
To connect and disconnect a filter in a gas flow system, a filter unit has a filter housing wherein an adsorption/absorption filter is movably arranged. The filter housing has two tube connectors for connecting the filter unit in a gas conducting passage. The filter unit also has a shifting element which is movable from a first to at least a second position. The first position allows the filter to substantially fill the gas conducting passage in a way that forces the gas in the gas flow system to pass through the filter, whereas the second position substantially removes the filter from the gas conducting passage, allowing the gas to pass through the filter unit without passing the filter.
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