Upgrade your drainage system installations with this high-quality 4?in. External Snap Coupling from Advanced Drainage Systems. Engineered for effortless snap-together assembly, this durable polyethylene coupling delivers a secure, leak-resistant connection that stands up to underground environmental conditions. Features Specifications: Brand Model: Advanced Drainage Systems 0412AA Size: 4?in. diameter coupler, designed for corrugated drainage pipe Material: Heavy?Duty Polyethylene (HDPE), resistant to acids, alkalis, and freezing Connection Type: Snap?on coupling ends for fast and reliable pipe joining Finish: Black external coupling Approvals: Underground rated, ANSI certified, lead-free Durability: Built to endure seasonal stress with long-term lifespan Weight: Approx. 0.16?lb Ease of Use: No tools required?simply align and snap the coupling into place Ideal for both residential and commercial drainage projects, this coupling ensures a professional-grade seal and quick installation. Whether you're working on a new build or repairing existing systems, this coupling offers the reliability you need without fumbling with seals or mechanical fasteners. Make every drainage connection count?secure, efficient, and built to last.