NDS 420 - 3" & 4" Pop-Up Drainage Emitter Square Grates Install the Dura Channel base

Install the Dura Channel base according to manufacturer guidelines

Secure the channels in place using concrete along the sides

UV resistant

Begin laying channels from the outlet or lowest point

NDS 420 - 3" & 4" Pop-Up Drainage Emitter Square Grates Install the Dura Channel baseNDS 420 3" & 4" Pop Up Drainage Emitter The NDS 420 Pop up Drainage Emitter is a versatile solution for managing water runoff from downspouts, catch basins, and French drains. This low profile emitter remains hidden when not in use and pops up during water flow, providing efficient drainage while maintaining landscape aesthetics. Key Features: Compatible with 3 inch and 4 inch drain pipes Low profile design blends with landscaping Durable construction