
1) Air purifier, of sorts 2) Air purifying gadget 3) Air-purifying gadget
Found on
https://www.crosswordclues.com/clue/ionizer

A device that removes airborne particles from breathable air. Negative ions are produced and give up their negative charge to the particles. These new negative particles are then attracted to the positive particles surrounding them. This accumulation process continues until the particles become heav...
Found on
http://www.daviddarling.info/encyclopedia/I/AE_ionizer.html

A device that removes airborne particles from breathable air. Negative ions are produced and give up their negative charge to the particles. These new negative particles are then attracted to the positive particles surrounding them. This accumulation process continues until the particles become heavy enough to fall to the ground.
Found on
http://www.electromn.com/glossary/i.htm

Swimming pool chemistry: An ionizer is a device mounted on your return line, and through which water flowing will receive charged metal ions. Manufacturers may use a copper anode and/or silver. Copper is an algaecide and algaestat, while silver is known for its properties as a bactericide. This electric, limited technology has been replaced by the ...
Found on
http://www.poolsupply360.com/t-Understanding-Swimming-Pool-Terms.aspx

A device that removes airborne particles from breathable air. Negative ions are produced and give up their negative charge to the particles. These new negative particles are then attracted to the positive particles surrounding them. This accumulation process continues until the particles become heavy enough to fall to the ground.
Found on
https://www.encyclo.co.uk/local/22819
No exact match found.