| 摘要 |
A modular filtration column for use with a ductless fumehood, the modular filtration column comprising: a plurality of cassettes having an identical footprint; at least one of the cassettes being configured to move air through the modular filtration column; at least one of the cassettes being configured to filter air moving through the modular filtration column; and at least one seal mechanism for providing an air-tight seal between adjacent cassettes, wherein the at least one seal mechanism is configured to form an air-tight seal devoid of any external compressive force.
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