Our gear reviewer, Michael McCole, reviewed the Dyson V7 and gave it a 9/10 back in 2017. It's still a great vacuum, and like all of Dyson's stick vacs, it converts into a hand vac by removing the long tube. But the V7 shows its age—you'll need to recharge it every 30 minutes and it doesn't have the suction power of newer models.
Certain sub-models of the V7, such as the Animal and Allergy, advertise that they filter 99.97 percent of particles 0.3 microns and larger, which trap the most obnoxious particulate and allergens floating around indoors. Other sub-models include the Absolute, Fluffy, and Motorhead, which differ mostly with the attachments included. When it's on sale—and it usually is—you can find the Absolute, which includes eight attachments, for about $240. Get it while you can. As Dyson introduces new models, it fades out the older ones and the V7 is ostensibly next on the chopping block.