NDS 764 Pro-Series Channel Drain Kit, 3-Inch, Gray The pre-assembled modular Pro Series channel drains are efficient, easy to use and will decrease installation time This modular Pro Channel features a unique interlocking design which allows each channel to securely lock to the next for a secure, tight fit Includes 1 meter (39-3/4") of channel drain and grate, 1 end outlet and 1 end cap Collects and removes excess water from driveways, patios and any other outdoor areas Fits 3-in or 4-in sewer and drain pipe and fittings, corrugated pipe and triple wall pipe