Crossword clue

“Purifying filter acronym”

This clue appeared as 18-Down in the NYT Crossword on Sunday, May 31, 2026. The answer has 4 letters.

Answer · 4 lettersSeen 2 times
HEPA
Letters4
Starts withH
Ends withA
Vowels2

Where this clue has appeared

About this clue

The clue “Purifying filter acronym” ran in the NYT Crossword on May 31, 2026 as 18-Down. Its answer is a 4-letter word that starts with H and ends with A.

See every answer from the puzzle on the NYT Crossword page for May 31, 2026, or learn how clues like this work in our guide to crossword clue types.

More clues from this puzzle

FAQ

What is the answer to the “Purifying filter acronym” clue?+

The answer is HEPA (4 letters), from the NYT Crossword of May 31, 2026.

Where has this clue appeared?+

We have seen it 2 times in the NYT Crossword, most recently on May 31, 2026.

How do I find other NYT Crossword answers?+

Open the full list of answers for May 31, 2026, or browse every date on the NYT Crossword hub.