Whether you're battling allergies, a good air purifier can be of great help. One often asked question by many users is about running an air purifier 24/7. Is it safe to have it running round the clock? Unequivocally, https://barbaraiqci001671.blogdun.com/30399445/is-it-safe-and-efficient-to-leave-your-air-purifier-on-24-7