Purifier

It looks like some kind of air purifier.

I was bought a new water purifier.

Somebody bought me a new water purifier.

In some religions, fire, like water, is a kind of purifier.

My child, be not an observer of omens, since it leadeth to idolatry, nor a user of spells, nor an astrologer, nor a travelling purifier, nor wish to see these things, for from all these things idolatry ariseth.

Benedito's plant is a natural air purifier.

She said that an effective air purifier can be put together for as little as $34. A better purifier, which has a stronger filter, would cost about $80.