This main category pertains to mechanical devices that function to separate items or materials from a non-homogeneous mass or context.
- For devices intended to pass or attenuate specific optical wavelengths, see Optical filters.
- For electronic signal filters and tone control circuits, see Category:Signal processing filter.
- For software intended to provide an incoming message filter, see Spam filtering in anti-spam.
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This category has the following 5 subcategories, out of 5 total.
Pages in category "Filters"
The following 51 pages are in this category, out of 51 total. This list may not reflect recent changes (learn more).