4" Lock Coupler for Corrugated Drainage Pipe

Create a secure connection between two sections of drainage pipe with this 4" Lock Coupler for Corrugated Drainage Pipe. Designed for compatible 4-inch corrugated pipe, this fitting helps extend your drainage run while keeping sections properly connected underground.

Use it for downspout drainage systems, French drains, catch basin connections, and other landscape drainage projects that require longer pipe runs. It is a simple but essential component for moving rainwater away from foundations, patios, walkways, driveways, and low-lying areas.

Product Details

• Product Type: Lock coupler

• Pipe Connection: Compatible with 4" corrugated drainage pipe

• Use: Connects two sections of 4" corrugated drainage pipe

• Sold: Individually

• Best for: French drains, downspout extensions, catch basin connections, and underground drainage systems

FAQs

What does a lock coupler do?
A lock coupler joins two sections of compatible 4-inch corrugated drainage pipe, allowing you to extend the pipe run.

Is this for corrugated pipe only?
Yes. It is intended for use with compatible 4-inch corrugated drainage pipe. Confirm your pipe type and fitting compatibility before ordering.

Can I use this for a downspout drain?
Yes. Use it to extend the underground pipe run connected to your downspout adapter.

What other products may I need?
Depending on your project, you may also need 4-inch corrugated pipe, a downspout adapter, 90-degree elbows, #57 Stone, and drainage fabric.

Do you deliver drainage supplies?
Yes. We offer flatbed delivery throughout Metro Atlanta, including Loganville, Snellville, Lawrenceville, Stone Mountain, Conyers, Covington, and surrounding areas.