Whether you're battling allergies, a good air purifier can make a big difference. One frequent question by many users is about operating an air purifier 24/7. Can you actually leave it on all the time? Unequivocally, https://heathubjr713454.aboutyoublog.com/31203429/is-it-safe-and-efficient-to-leave-your-air-purifier-on-24-7