Rain water collected from roof is usually very pure. However, there are many substances which get mixed with this pure Water on the roof (leaves, bird droppings, dust etc). Rooftop Rain Water Filters are used to filter out these impurities before rain water can be stored. These Filters play a key role in Rain water harvesting systems. To know more about Rain water filters and their application in the rain water harvesting systems, please contact: Allegiance Water Management Solutions www.allegianceindia.in Phone: +91 8690924755 Water Management, Water Conservation, Water Treatment, Water Harvesting, rainwater harvesting, rain water management, dried borewell recharge, borewell recharge, agriculture bore well recharge, rooftop rain water filters, rain water filters, recharge well, percolation well, precast concrete. Gujarat: Ahmedabad, Vadodara, Surat, Surendranagar, Bharuch, Ankleshwar, Navsari, Vapi, Valsad, Halol, Panchmahal. MP: Indore, Bhopal, Dhar - See more at http://www.allegianceindia.in/latest-update/water-management-sa/208