Buy Rain Water Filter Varun At INR 2250


At a time when we are all looking at different ways to conserve water and use rain water harvesting techniques at home, here’s a very effective and inexpensive way you can really use at home.

What Is It?

Bangalore-based water harvesting expert S. Vishwanath has developed a rain water harvesting system, which he has named ‘VARUN.’ And what’s the best part about the system other than it helps to harvest rain water? Well, it costs a mere INR 2250, less than what a family meal would cost you at a nice restaurant.

What Does It Do?

If you use the system to collect rainwater from a somewhat clean roof, VARUN will be able to handle approximately a 50 mm of water per hour intensity rainfall from a roof area of 50 square meter.

Because the product is already standardized and follows a set pattern, it is ideal if you are planning to construct a new house. You will know from the start about how many downpipes and filters you will need. Of course you can use it in your existing home setup too.

The water filter is made of a 90 liter High Density Poly Ethylene (HDPE) drum. To make the first filtering base, the lid is turned over and there are various holes punched through. It helps to keep out any contaminants such as leaves, twigs and such. The rainwater then moves through three different layers of sponge. It also passes a layer of coarse sand which measures about 150 mm in thickness. Due to the sponge, it is easy to clean the filter. All you have to do is remove the sponge and clean it in a bucket of water. Also, instead of throwing away that water, you can reuse it to water your plants.


You can get in touch with S. Vishwanath at the following coordinates:

  • Address: Rainwater Club, 264, 6th block, BEL Layout, Vidyaranyapura, Bangalore – 560097
  • Telephone: 080-28381690 / 080-28382435
  • Email:

Image source: Pixabay

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