Airoshine purifiers have a total of eight levels of purification through which the air passes before it reaches your lungs. The peeps also assure us that it’s energy efficient, user-friendly and easy to maintain. Check out their website here.
They’ve also been made especially for India and thus may be more efficient than your regular air purifier.
Call them at +91 8130128856 or 011 28715896 for more info.