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air filter

British  

noun

  1. another name for air cleaner

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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Swap out your air filter: A clogged filter chokes airflow, forcing your AC to guzzle more power to do the same job.

From MarketWatch Jun. 29, 2026

The family is still furnishing the house but has already purchased an air filter.

From The Wall Street Journal May 21, 2026

Or that we must send our kids to crowded classrooms, but are not allowed to even donate an air filter to reduce our risk of life-changing infection.

From Salon Mar. 14, 2025

An inexpensive air filter with expensive replacement filters is less of a bargain than it appears, and the same goes for a well-priced device that only effectively filters half a room, he said.

From Los Angeles Times Jan. 14, 2025

In the laboratory, Mr. Loomis also had the world’s only radiation-proof suit, and he had the air filter and the water filter.

From "Z for Zachariah" by Robert C. O’Brien

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