Image: Truck cab filters
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Truck_cab_filters.png (711 × 533 pixels, file size: 622 KB, MIME type: image/png)
Description: Filter housing using a contiguous series of pre-, HEPA, and charcoal panel filters
Title: Truck cab filters
Credit: https://www.cdc.gov/niosh/mining/works/coversheet2046.html
Author: John A. Organiscak, Andrew B. Cecala, and Ronald M. Hall / U.S. National Institute for Occupational Safety Health
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
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