Now Available: #8 & #9 Blue Stone, White Bunker Sand, Bulk Pine & Bulk Mini Pine Nuggets. Call 301.924.5656
Now Available: #8 & #9 Blue Stone, White Bunker Sand, Bulk Pine & Bulk Mini Pine Nuggets. Call 301.924.5656
The ADS 4″ Internal Coupler provides a strong, secure connection between two sections of 4-inch corrugated drain pipe. Designed for quick and reliable assembly, this coupler fits inside the pipe rather than over it, maintaining a clean profile and tight seal. Its polyethylene construction ensures strength and resistance to cracking, corrosion, and environmental wear.
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Ideal for both new installations and repairs, this coupler is essential for maintaining continuous water flow in stormwater or foundation drainage systems throughout Maryland and Washington, DC. It’s easy to install, long-lasting, and dependable under demanding conditions.
At RELS, we’re pleased to offer full-service delivery to Montgomery County, MD, including areas such as Silver Spring, Rockville, Bethesda, and surrounding areas. So, not only will you find all the landscaping products your project needs, but you’ll also enjoy delivery to your job site or home, of whatever products you might need. Please keep in mind that we deliver products to your home or work site and that we cannot drive our heavy trucks off black top as it can damage the edge of the driveway, and the grass in your yard.
