Mini Corsi Rosenthal Box

This is a smaller version of a Corsi-Rosenthal Box used for air filtration/purification with 12 inch furnace filters.

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OSMS Notes:
A 3DP bottom stand and top ring holds four 12” furnace filters for a smaller version of the Corsi box. Always use tape to seal the horizontal (fan side) and vertical (air filter) edges to avoid filtration performance loss.
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