Combo 4″ / 3″ outlet for NDS products. Fits the NDS 900 and NDS 1200 series catch basins and the NDS 1230 Low Profile catch basin. Also fits the NDS 1800 and NDS 2400 Series catch basins when used with the NDS 1890 Universal Adapter ring.
Part# 1243 or NDS1243
The NDS catch basins, grates and adapters we offer are commercial grade – not the budget ones you find at your local big box hardware store.