Early Prime Day deal: Our favorite air purifier is $37 off

Prime Day 2025 is coming soon on July 8-11, but you don't have to wait to grab good tech deals — and that goes for everyone, not just Prime members. Early deals have already started popping up on Amazon, and one of the best at the moment is on an Engadget-approved air purifier. The Levoit Core 400S air purifier is on sale for $185, which is $37 off its usual price and not too far off of the lowest price we've seen.

The Levoit Core 400S is our current pick for the best air purifier overall. Sure, it might not have the prettiest design of all the options we have tested and the companion app might have a little too much going on. But the Core 400S does its job and does it well.

This smart air purifier is slated to clean the ...