Corrugated Pipe

4 in. Elbow

Made from durable high density polyethylene, this 4 inch 90° elbow fitting is made to join 4 inch single wall corrugated polyethylene drainage pipe.
  • Installs quickly, snap-fit pipe connection
  • Survives the impact of rocks in the backfill and the rigors of cold weather handling
  • HDPE is less brittle than PVC and corrosion-resistant

Height: 5.1 in.
Width: 5.1 in.
Depth: 5.1 in.
Weight: 0.533 lbs

4 in. Insert Coupling

Designed for joining lengths of 4 inch corrugated drainage pipes.
  • Installs quickly, snap-fit pipe connection
  • Survives the impact of rocks in the backfill and the rigors of cold weather handling
  • HDPE is less brittle than PVC and corrosion-resistant

Height: 4.5 in.
Width: 4.5 in.
Depth: 4.5 in.
Weight: 0.427 lbs

Pop-up Emitter with Flexible Elbow

The RELN pop-up emitter is the perfect solution to divert and disperse excess water to desired areas in your garden or suitable runoff areas.

As the drainage pipes fill and build up slight pressure, the cover rises to allow the excess water to escape. Once the water is discharged the pressure drops and it closes in a flush position.

  • Flexible elbow allows selected angle between 0 and 90 for ease of installation
  • Self-draining slots - no freezing
  • Fits 4" and 3" standard corrugate pipe and PVC pipe
  • Relief emitter blends perfectly in lawn applications

Height: 7.5 in
Width: 6.0 in
Depth: 6.0 in
Weight: 2 lbs

2in. X 3in. X 4in. Downspout Adapter

Fits onto a 2 inch x 3 inch downspout pipe a secure connection with no tools required.

Snap joint fits inside 4 inch round pipe to create a tight fit.

  • Installs quickly, snap-fit pipe connection
  • Survives the impact of rocks in the backfill and the rigors of cold weather handling
  • HDPE is less brittle than PVC and corrosion-resistant

Height: 4 in.
Width: 4 in.
Depth: 4 in.
Weight: 0.217 lbs

4 in. WYE

The 4 inch Polyethylene Snap Wye Coupling snaps easily onto pipe for fast connections.
  • Installs quickly, snap-fit pipe connection
  • Survives the impact of rocks in the backfill and the rigors of cold weather handling
  • HDPE is less brittle than PVC and corrosion-resistant

Height: 5.1 in.
Width: 5.1 in.
Depth: 5.1 in.
Weight: 0.9 lbs

4 in. Tee

The 4 inch TEE snaps on easily for a fast, leak-resistant connection.
  • Installs quickly, snap-fit pipe connection
  • Survives the impact of rocks in the backfill and the rigors of cold weather handling
  • HDPE is less brittle than PVC and corrosion-resistant

Height: 5 in.
Width: 5 in.
Depth: 5 in.
Weight: 0.661 lbs

4 in. End Cap

4 inch End Cap is designed to seal off a section of drain pipe.
  • Installs quickly, snap-fit pipe connection.
  • Survives the impact of rocks in the backfill and the rigors of cold weather handling
  • HDPE is less brittle than PVC and corrosion-resistant.

Height: 2.25 in.
Width: 2.25 in.
Depth: 2.25 in.
Weight: 0.1 lbs

4 in. x 100 ft. Filter Pipe

RELN Corrugated Pipe is a single wall corrugated drainage pipe used for subsoil drainage applications.

Manufactured with a corrugated prole from high quality recycled and virgin resins, making the pipe not only strong but also lightweight. Ideal for drainage where flexibility, light weight and low cost are important. The pipe is joined with either an internal coupler or snap coupler and is soil-tight. 


  • Made of high density polyethylene
  • Flexible polyethylene construction installs with ease in uneven terrain
  • Strong construction helps withstand weather and human elements
  • Pipe is wrapped in a filter sock to prevent debris build up in drain pipe

Height: 46 in.
Width: 96.5 in.
Depth: 96.5 in.
Weight: 43.25 lbs.