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2. Air purifier - Wikipedia

   en.wikipedia.org/wiki/Air_purifier

   The commercially graded air purifiers are manufactured as either small stand-alone units or larger units that can be affixed to an air handler unit (AHU) or to an HVAC unit found in the medical, industrial, and commercial industries. Air purifiers may also be used in industry to remove impurities from air before processing.

3. Coway (company) - Wikipedia

   en.wikipedia.org/wiki/Coway_(company)

   Coway Co., Ltd. (Korean: 코웨이 주식회사)is an international manufacturer of household appliances, water purifiers, air purifiers, bidets, water softeners, and mattresses from South Korea. [ 2 ] [ 3 ] [ 4 ] Founded and headquartered in Seoul, Coway is the largest water purifier company in the country and owns subsidiaries in Malaysia ...

4. Commercial cleaning - Wikipedia

   en.wikipedia.org/wiki/Commercial_cleaning

   This is an accepted version of this page This is the latest accepted revision, reviewed on 17 January 2025. Cleaning service provided for commercial buildings and establishments "Cleaning company" redirects here. For the Australian documentary film also known as "The Cleaning Company", see Clean (2022 film). This article needs additional citations for verification. Please help improve this ...

5. List of cleaning companies - Wikipedia

   en.wikipedia.org/wiki/List_of_cleaning_companies

   Homejoy – a former online platform which connected customers with home service providers, including house cleaners and handymen. [3] ISS A/S – a facility services company founded in Copenhagen, Denmark in 1901. Jani-King – an American chain and franchise of cleaning services. [4]

6. Dust collector - Wikipedia

   en.wikipedia.org/wiki/Dust_collector

   A dust collector is a system used to enhance the quality of air released from industrial and commercial processes by collecting dust and other impurities from air or gas. Designed to handle high-volume dust loads, a dust collector system consists of a blower, dust filter, a filter-cleaning system, and a dust receptacle or dust removal system.

7. Purifier - Wikipedia

   en.wikipedia.org/wiki/Purifier

   Air purifier, a device that filters pollution out of the air; Water purification, removing contaminants from water, sometimes using a water purifier; The Purifiers, a 2004 action film; Purifiers (Marvel Comics), a fictional terrorist organization