NDS 1822 18 x 18 in Catch Basin Side — 6" Opening, Includes #1890

The NDS 1822 18 x 18 in catch basin side is a durable styrene component designed for 18-inch catch basin systems. It accepts a 6-inch opening (adapter included) and is compatible with a range of NDS universal outlets for reliable pipe connections. Black finish and tapered interior help collect surface water while minimizing debris entry.

• Dimensions: 18" x 18" exterior footprint; nominal opening fits 6" pipe when used with the included #1890 reducer ring.
• Material & weight: durable styrene construction; unit weight approximately 3.75 lb for easy handling.
• Compatibility: use with NDS universal outlets #1206, #1242, #1243, #1245, #1266 or #1888 to connect to corrugated or sewer-and-drain pipe.
• Installation: tapered design nests with other 18" series parts; seal joints with exterior-grade silicone or roofing tar to prevent leakage.
• Included parts: ships with one #1890 reducer ring; pairs with basin bottom #1828 and various 18" grates (sold separately).
• Use cases: ideal for yard and area drains, landscaping, low-load residential applications, and modular drainage builds.

Designed as a component of the NDS 18" catch basin series, this basin side provides a straightforward way to adapt pipe sizes and create reliable, low-maintenance surface drainage. Pair with recommended universal outlets and grates to complete an 18" catch basin assembly.