3.5 inch cascades LED light clear waterfall assembly 675-3508L by Waterway.

3.5 inch refers to the waterfall slit opening not the complete assembly.

This assembly uses clear plumbing, so the LED lights shine through.

Comes with a back gasket, 2 nuts and 2 ribbed barb fittings with a 3/4 inch opening.

Waterfall assembly as used in Coast Spas, Cal Spas and by other hot tub manufacturers.