Purifying filter acronym
Crossword clue · 1 known answers · 2 appearances · Last seen in the New York Times crossword on May 31, 2026
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HEPA
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About this clue
The clue “Purifying filter acronym” has appeared 2 times in our database with 1 different answers, so count the squares in your grid and check the crossings before you commit. Most recently it ran in the New York Times crossword on May 31, 2026, where the answer was HEPA.