Fernco 39.5" Surface Water Drain System, a lightweight, UV-inhibited, heavy-duty drain channel, offers versatile drainage solutions for driveways, patios, swimming pools, gardens, sport courts, and walkways. Its grates clip in for easy installation, and the bottom outlet accommodates 3" and 4" sewer and drain pipes. Rated for 5 tons and ADA compliant, this drain channel ensures safety and durability.