Puritas Filters Classic ad at RD
"See how PURITAS filters impurities from ordinary tap water and makes it 100% safe to drink
There is no better guarantee against water-borne diseases like cholera, typhoid, dysentery, gastro-enteritis, etc. Puritas is light and unbreakable, easily portable, easy to clean. Take care of those you care for. Get a Puritas today. BALSARA FOR MODERN AIDS TO BETTER LIVING"
One of the first water filters introduced