Trump Posts Image of U.S.-Canada Border Wall Built as Giant Air Filter
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Trump Posts Image of U.S.-Canada Border Wall Built as Giant Air Filter

Trump shares a digital illustration depicting a MERV 16 air-filter barrier along the U.S.-Canada border, carrying the slogan “Clean Air. Clear Borders.”.

Richard Miniter
By
First Published: July 25, 2026, 7:29 AM ET

WASHINGTON D.C. — Donald J. Trump posted a digital illustration of a wall built as a giant air filter along the U.S.-Canada border, carrying the slogan “Clean Air. Clear Borders.”