4 inch riser that adds 2 inches of height to a French Drain Man pop-up emitter, catch basin or drain line cleanout, so the top sits level with your finished grade. Stack them for more height.

Riser adds 2 inches of height to FDM’s Pop Up Emitter, Basin and Drain Line Cleanout. If you need more than 2 inches of lift, simply stack the risers on top of each other and build to your desired height.

Product Details

This HDPE coupler fits any of FDM’s 4″ Pop-Ups, 4″ Catch Basins and 4″ Drain Line Cleanouts.