We have spent around 48 hours to find the right option for you and based on our research Flex-Drain 37042 Catch-A-Raindrop Rainwater Colander Kit, 2 x 3-Inch, White is our top pick for you. This is one of the best products currently available in the market. However, if you don’t want to spend extra hours then we have another great option for you is RAINWATER HARVEST DIVERTER FOR RECTANGULAR DOWNSPOUT. Here is a review of some of the best rainwater diverter, together with their features and functions.
As you read, through the article, you will understand some of the top rainwater diverter and learn more about their features. Let’s proceed without wasting any more time.
Best rainwater diverter

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Oatey Mystic Rainwater Collection System Fits 2″ X 3″ Residential Downspouts
Oatey Mystic Rainwater Collection System Fits 2" X 3" Residential Downspouts
$25.16 in stock
4 used from $19.88
Features
- Directs rainwater drainage from downspouts into collect barrels
- Fits standard 2 in. x 3 in. residential downspouts
- Made of UV-resistant material and can be painted
- Comes with 4 ft. high flow hose to connect the diverter to the collection container
- Use outlet port to connect hose and recycle rainwater
Flex-Drain 37043 Catch-A-Raindrop Rainwater Colander Kit, 3 x 4-Inch, White
Flex-Drain 37043 Catch-A-Raindrop Rainwater Colander Kit, 3 x 4-Inch, White
$14.39 in stock
Features
- Collects Rainwater For Various Household And Gardening Purposes
- Designed To Accommodate Most 3" X 4" Downspouts
- Connects To Hoses Or Barrels To Facilitate Storage Of Water
- Brand Name: Amerimax Home Products
Aluminum Perforated Rainwater Diverter by Gutterglove
Aluminum Perforated Rainwater Diverter by Gutterglove
Features
Part Number | DIV1 |
Color | Silver |
RAINWATER HARVEST DIVERTER FOR RECTANGULAR DOWNSPOUT
RAINWATER HARVEST DIVERTER FOR RECTANGULAR DOWNSPOUT
$29.75 in stock
Features
- The rectangular duct manifold is suitable for standard ducting (90% of the market) section 60 x 80m/m
- Contents: 1 flange + 1 telescope with tap + 1 90° exit elbow + 1 hole saw + 4 self-drilling screws + 1 foam seal + 1 connection kit to the reserve
- The scope makes 60 x 70 or 5m/m of vacuum on either side of the duct to prevent overflow to the roof in the event of heavy rain - Stormy type
- Item Package Quantity: 1
Oatey Mystic Rainwater Collection System Fits 2″ X 3″ Residential Downspouts (Renewed)
Oatey Mystic Rainwater Collection System Fits 2" X 3" Residential Downspouts (Renewed)
Features
- Directs rainwater from downspouts into collection barrels for re-use in lawn/garden watering
- Fits standard 2" x 3" residential downspouts
- Two-piece design is made of UV-Resistant PVC plastic and can be painted
- Comes with 4 ft. hi-flow hose
Leaf Eater Advanced Rain Harvesting RHAD100 Both 3″ and 4″ Compatible
Leaf Eater Advanced Rain Harvesting RHAD100 Both 3" and 4" Compatible
1 used from $74.69
Features
- 95%+ Capture Efficiency
- Self-Cleaning
- 1000 Micron Screen
EarthMinded DIY Rain Barrel Diverter Kit – Water Barrel / Rain Barrel Adapter Kit, Includes Spigot and Downspout Diverter For 3 x 4 Inch Downspouts – F-RN097
EarthMinded DIY Rain Barrel Diverter Kit - Water Barrel / Rain Barrel Adapter Kit, Includes Spigot and Downspout Diverter For 3 x 4 Inch Downspouts - F-RN097
Features
- Create your own rainwater collection system with the EarthMinded rain barrel kit; all parts included
- This DIY rain barrel spigot kit fits any standard 3 x 4 inch rectangular downspout
- An eco water collection system that converts containers into a rain barrel with a 31-inch fill hose
- This Earthminded rain gutter diverter helps you collect & conserve chemical-free rain water
- Patented Technology Flexi Fit diverter prevent overflows that can damage the foundation of your home
Downspout Rainwater Collection Diverter Connector System Colander with Filter 2×3-in, White
Downspout Rainwater Collection Diverter Connector System Colander with Filter 2x3-in, White
$13.99 in stock
Features
- Collect and reuse the rain from your roof to water houseplants, gardens, and landscape, or wash cars
- Diverts filtered rainwater into a storage tank or rain barrel or directly to a garden. Prevents clogs by filtering large or coarse debris.
- Fits common 2-in. x 3-in. aluminum or vinyl downspouts. Made of durable white PVC plastic.
- Kit includes - rainwater colander/cap, downspout clip/screw and easy to follow instructions
- Easy to install – Limited tools required along with a 4’ garden hose (not included).
Flex-Drain 37042 Catch-A-Raindrop Rainwater Colander Kit, 2 x 3-Inch, White
Flex-Drain 37042 Catch-A-Raindrop Rainwater Colander Kit, 2 x 3-Inch, White
$14.21 in stock
Features
- Item Weight: 4.0 lb
- Country of Origin: China
- Color: White
- Brand name: Amerimax Home Products
EarthMinded FlexiFit Diverter Upgrade for 3 x 4 Inch Rectangular Downspouts – For New or Existing Installations – Easy to Install – Catch Rain Water for Outdoor Chores
EarthMinded FlexiFit Diverter Upgrade for 3 x 4 Inch Rectangular Downspouts - For New or Existing Installations - Easy to Install - Catch Rain Water for Outdoor Chores
Features
- EASY INSTALL: 2 1/8 hole drilled into the 3" side of the downspout. Squeeze and push into place. Secure with screws. Connect a PVC pipe or EarthMinded Hose and pipe to your rain barrel!
- ENVIRONMENTALLY FRIENDLY: Rain barrels capture water from a roof for use on lawns, gardens or indoor plants!
- HIGH QUALITY: This rainwater diverter is made with quality materials.
- UNIVERSAL FIT: Installs into 3x4 downspouts ONLY. This is the larger version of the 'Universal' unit that insalls into the 2x3 OR 3x4 downspout
- SMART DESIGN: Patented rainwater collection system without destroying the downspout!
With this, our list of best rainwater diverter has come to an end. Like we said in the earlier part of this post, we have done extensive research on these rainwater diverter. Not to mention, the prices of the rainwater diverter are also flexible. You should also check Aluminum Perforated Rainwater Diverter by Gutterglove one of the most sold items in the market.