This impressive air purifier was able to clean my musty-grassy basement, and it's on sale

If you need the air in your home, basement, garage, or business clear, the Airthings Renew air purifier is the one to beat. Plus, it's currently $44 off.

What's the deal? 

The Airthings Renew air purifier is 11% off on Amazon right now, making it $356 instead of $400.

ZDNET's key takeaways

• The Airthings Renew air purifier retails for $400.
• This air purifier does a seriously good job of cleaning the air, even in musty basements.
  
• The Airthings Renew is pretty pricey, but it beats cheaper alternatives by a mile.

We have an unfinished basement that serves as my wife's gardening supply storage (she's a gardening beast), laundry room, exercise room, and for storing all sorts of other things that can quickly add up to less than fresh smelling air. This is especially true after my wife cuts the grass and returns ...