Dual Intensity Rooftop Rainwater Harvesting Filters

Leading Self-Cleaning Rainwater Filters in the World.

What Makes Rainy Filters Unique?

Dual Intensity Filters
Self Cleaning Technology
Easy Installation
Cost Effective & Affordable
High Efficiency
Rainy Filters – Best Water Filter for Rainwater Harvesting, Durable and Easy to Install

What our customers are saying?

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★★★★★

We never run out of water during dry months now

Lakshmi Iyer

Homemaker

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★★★★☆

We’ve reduced water tanker dependency significantly!

Shashank Bhaskar

Entrepreneur

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★★★★★

The self-cleaning feature saves so much time!

Nisha Patel

Architect

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★★★★★

The design ensures clean water with minimal maintenance

Manish Gowda

Builder

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★★★★☆

Ideal for conserving water—works flawlessly year-round

Sushanth Singh

Engineer

Our clients

  • JSW

CASE STUDIES

Explore how Rainy has revolutionized rainwater harvesting for diverse projects across India. Our self-cleaning, high-efficiency filters have been the cornerstone of water conservation efforts for residential, commercial, and industrial applications.

1. Rns Infrastructure

  • Annual Water Savings: 4 M+ Litres
  • Reduction In Secondary Water Resources: 60%
  • ROI: 2.1 Years. Download

2. SKF India

  • Annual Water Savings: 1.48 M+ Litres
  • Reduction In Secondary Water Resources: 55%
  • ROI: 3 Years. Download

3. Manjushree Technopark

  • Annual Water Savings: 1.27 M+ Litres
  • Reduction In Secondary Water Resources: 60%
  • ROI: 2 Years. Download

4. United Spirits

  • Annual Water Savings: 1.2 M+ Litres
  • Reduction In Secondary Water Resources: 45%
  • ROI: 2 Years. Download

5. VKC Private

  • Annual Water Savings: 420 K+ Litres
  • Reduction In Secondary Water Resources: 85.2%
  • ROI: 2 Years. Download

6. Teri

  • Annual Water Savings: 150 K+ Litres
  • Reduction In Secondary Water Resources: 12%
  • ROI: 2 Years. Download

Rainy Filters – Trusted, Tested, Sustainable

Save Every Drop with the Best Rainwater Harvesting Filter System in India

Welcome to a Smarter Way to Harvest Rainwater

In a world where every drop counts, Rainy Filters offers one of the most eco-friendly water filtration solutions for homes. Our self-cleaning rainwater harvesting filter systems are engineered to help you conserve water, recharge groundwater levels, and make rainwater harvesting simple, clean, and efficient.

Whether you’re a homeowner or managing a commercial property, we bring you advanced water-saving solutions built on innovation and trust.

Discover Our Rainy Filter Models

🔹 Rainy Filter FL 150

Perfect for rooftops up to 150 sq. m, this compact filter is ideal for homes and smaller buildings.
Looking for affordability? This is your entry point into efficient water reuse.

🔹 Rainy Filter FL 250

Our most popular model. With a wider capacity and advanced mesh design, the Rainy Filter FL 250 ensures smooth flow even during heavy rains.
Curious about pricing? Check the Rainy Filter FL 500 price to compare.

🔹 Rainy Filter FL 350

Need something bigger? Designed for commercial or larger residential buildings, this unit can handle heavier rain loads and larger rooftops.

🔹 Rainy Filter FL 500

This powerhouse model is suited for industrial and institutional rooftops. For details on the Rainy Filter FL 500 price, please go through our website or request a customized quote.

🔹 Rainy Filter FL 80

Designed for compact areas or low-level water entry points, this model offers effective filtration without needing much space. Compact, yet powerful.

All our filters come with automatic flush-out systems, making them the best rainwater harvesting filters in India.

What Is a Rainwater Harvesting Filter System?

A rainwater harvesting filter system is a unit designed to purify the rainwater collected from rooftops before it's stored or used. With our filters, impurities are removed through a dual-intensity filtration technique, making sure that only clean water reaches your tanks or recharge pits.

Whether you're looking for a rainwater filter for home or planning a community-level water solution, Rainy has the right system.

Let’s Talk Cost: Rainwater Filter Price in India

Many people hesitate to set up a system due to cost concerns. We believe in affordable rainwater collection systems for all. Our range covers every budget:

  • FL 80: Offers an affordable solution for small-scale rainwater harvesting setups.

  • FL 150 & FL 250: Provide mid-range options ideal for typical household rooftops.

  • FL 350 & FL 500: High-capacity models designed for industrial or large building applications.

Interested in the rainwater filter price in Bangalore or any other city? We ship across India and offer doorstep delivery.

Rainwater Filter System for Homeowners

You don’t need a huge space or technical knowledge. Our rainwater harvesting filters are designed for easy installation. Whether you live in an independent villa or a city apartment, you can start saving water right from your rooftop.

Compatible with all types of rooftops

  • Flat or sloped roofs: We work efficiently on both flat and inclined rooftops, ensuring smooth water flow regardless of the angle.

  • Tiles, concrete, or metal: The system is compatible with a wide range of roofing materials, making it adaptable to both urban and rural settings.

  • Existing pipelines or new ones: Whether you're upgrading an old system or starting fresh, the filters can be easily integrated without major changes.

Rainwater Harvesting Filter Types

We provide solutions for all types of rainwater harvesting systems:

  1. Surface Runoff Harvesting

  2. Rooftop Rainwater Harvesting

  3. Recharge Pit Systems

Looking for information on the different types of rainwater harvesting or rainwater harvesting system types? Explore our blog or contact our expert team for more information.


Importance & Advantages of Rainwater Harvesting

Why is Rainwater Harvesting Critical Today?

India is facing an acute water shortage. Our filters are designed to help individuals and organizations become self-reliant and responsible.

Key Benefits of Rainwater Harvesting System:

  • Reduces water bills

  • Recharges groundwater naturally

  • Prevents urban flooding

  • Conserves natural resources

  • Reduces soil erosion

  • Provides soft water for cleaning, gardening, and more

Need help with rainwater harvesting installation near you? Our experts can guide you.

Smart, Simple & Eco‑Friendly Water Filtration Solutions

We are your partner in building sustainable water management systems. Our filters require no electricity, incur no recurring costs, and require minimal maintenance, making them ideal for eco-conscious homes and institutions.

We believe in eco-friendly water filtration that fits into your lifestyle smoothly. From rainwater tank filters to water-saving filtration solutions for homes, everything is built with purpose and precision.

Why Choose Us?

Dual-Intensity, Self-Cleaning Innovation

We use a powerful combination of cohesion and centrifugal force to trap impurities without power or complex setup. Our self-cleaning rainwater filters automatically flush out dirt—no need for daily maintenance.

Rooftop to Tank, Complete Rainwater System

From rooftop rainwater filters to ground-level collection tanks and recharge pits, we offer end-to-end rainwater harvesting installation near you. Whether you're looking for a rainwater collection system with a filter or complete rainwater harvesting accessories, we have the solution you need.

Trusted Across India

Our systems are used in residential complexes and top industrial facilities. When people search for the best rainwater filter in India, they find Rainy.

Water-Saving Products for Every Home

We don’t just offer products—we offer complete water filtration solutions.
Whether it’s a standalone rainwater filter for home or a full rain space water harvesting solution, we make water conservation simple and scalable.

Service Reach: We’re Closer Than You Think

We deliver to major metropolitan areas, towns, and rural areas. Whether you're searching for rainwater harvesting installation near me or looking to bulk order for institutions, our team can assist you from consultation to setup.

Build a Water-Smart Future with Us

India is at the tipping point of a water crisis—but you can make a difference. By investing in a rainwater harvesting filter system, you also save money and contribute to a more sustainable future.

We provide you with trusted, innovative, and eco-friendly water filtration solutions tailored to Indian conditions. Explore our range, learn about rainwater harvesting filter types, and discover how you can become part of the change.

Rainy Filters — Because Water Security Starts at Home

Choose the Best Rainwater Filter in India
Save water. Save money. Save the planet.

Contact us now to learn about the Rainy Filter FL 500 price or to receive guidance on which model best suits your needs.

FAQs:

Q: What is the best filter for rainwater in Indian homes?
A:
Rainy Filter FL 250 is one of the best rainwater filters in India because it works so well, cleans itself, and is easy to put together.

Q: Can the Rainy Filter FL 500 be used in homes?
A:
It's better for schools or big buildings. Depending on the size of the roof, we suggest FL 80FL 150 or FL 350 for homes.

Q: What are the different kinds of systems for collecting rainwater?
A:
The most common systems are those that use roofs, surface runoff, percolation pits, and storage tanks.

Q: How often does a filter that cleans itself need to be cleaned?
A:
Rainy Filters don't need much maintenance; they just need to be checked visually from time to time. Most of the time, you don't need to clean it by hand.

Shop Now at Rainy Filters
Have Questions? Reach out to our experts today.

Rainy Filters – Trusted Across India for Smart, Sustainable Water Solutions.