NDS 555S - 3FT Wave Grate - Sand Hardware The NDS DS-670 is a

The NDS DS-670 is a high-quality

Pre-sloped design for optimal water flow

Place the 837 8IN grate onto the channel

Excavate a trench to the required depth and width

Designed for seamless integration with NDS channel drains

NDS 555S - 3FT Wave Grate - Sand Hardware The NDS DS-670 is aNDS 555S Mini Channel Decorative Wave Grate Sand Colors: Black (#555), Gray (#555GY), Green (#555GR) & Sand (#555S) The NDS 555 3FT Wave Grate is a durable, aesthetically pleasing drainage solution designed for residential and commercial applications. Its wave pattern offers excellent water flow while preventing debris from entering the drain system. Product Specifications: Material: High impact polypropylene Length: 3 feet (36 inches) Width: 5. 4