Why You Can Trust CNET Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. Reviews ethics statement Just because you enjoy 420 doesn't mean you enjoy the smell of cannabis smoke. GermGuardian's new filter could help. Ajay has worked in tech journalism for over a decade as a reporter, analyst, product reviewer, and editor. He got his start in consumer tech, breaking Android news at Newsweek before going to PCMag, where he reviewed hundreds of smartphones, battery packs, and chargers as a Mobile Analyst. He also worked at Lifewire, a Dotdash Meredith brand, as a Tech Commerce Editor, putting together tested best-of lists and assigning product reviews across categories including smart home, uninterruptible power supplies, generators, and automotive tech.…