plusgutter 16.5-ft Flexible Downspout Extension, 4-Inch Diameter, Adjustable Length
Product description
Homeowners who need to direct rainwater farther from a downspout can route this flexible extension around landscaping and adjust its length to suit the space. It extends from 3.4 ft to 16.5 ft, giving you a practical way to guide runoff along a chosen path.
The black PE pipe bends to follow the area around your home and is designed to return to its original shape. Two adapters cover several downspout sizes, while screws help secure the extension at the outlet.

Product specs
- Type: Flexible gutter downspout extension
- Length: Extends from 3.4 ft to 16.5 ft
- Diameter: 4 in
- Material: PE
- Color: Black
- Adapter compatibility: 2 x 3 in, 3 x 3 in, 3 x 4 in, and 3.5 x 4 in downspouts
- What’s included: One drain pipe, two adapters, and eight screws



Requirements
Choose the adapter that matches your downspout’s listed dimensions, then attach the extension using the included screws. The pipe’s flexible construction lets you shape its route to suit the surrounding area, its adjustable length helps position the outlet where you want rainwater to drain. For a straightforward run, extend it toward the drainage area. Where landscaping gets in the way, bend the pipe around or over it. The extension can also be buried in the ground when that suits the installation.

Compared with a fixed rigid extension, this design gives you more freedom to change the route and length. That’s useful when a straight line from the downspout would cross a garden bed, path, or other part of the yard.
Best use cases



Use the extension to carry roof runoff away from a downspout and direct it toward a chosen area of the yard. Its reach can help when the drainage point is farther away, and its flexible shape is handy for routing around garden beds or other landscaping. It can also support garden irrigation by guiding rainwater to a selected spot.
Buyers often praise the length, flexibility, and ease of attachment, including the ability to route the pipe around landscaping. Feedback on fit and durability is mixed, so take care to match an adapter to the downspout and secure the connection during installation.

Questions before you buy
How long can the extension be? It adjusts from 3.4 ft to a maximum of 16.5 ft, so you can set the reach for your drainage layout.



Which downspout sizes can the adapters fit? The two adapters are listed for 2 x 3 in, 3 x 3 in, 3 x 4 in, and 3.5 x 4 in downspouts. Select the adapter that matches your outlet dimensions.
Can it be routed around landscaping? Yes. The flexible pipe can bend around or over landscaping and is designed to return to its original shape. It can also be buried in the ground.
Is it worth it?
For a home drainage setup that calls for a longer, shaped route rather than a fixed straight extension, the adjustable reach and flexible PE pipe offer useful placement options. The included adapters and screws make it a practical choice for matching the listed downspout sizes and directing runoff toward a yard drainage area or garden.
