20" Septic Riser Cover - Heavy Duty Flat Lid - Watertight & Airtight - UV Protected - Green

This 20-inch heavy-duty flat cover is designed for septic risers and distribution boxes, ensuring a secure and watertight seal; constructed from high-density polyethylene (HDPE) with maximum UV protection to resist fading and withstand residential or light traffic; features factory-installed gaskets for an airtight and watertight fit, recessed handles for easy lifting, and a skid-resistant surface for safety; compatible with 20-inch risers, including 20"x12" (3009R12NG), 20"x6" (3009NG), 20"x3" (3009LPRP), 20"x2" (3009GR2), 20"-24" adapter (3009AR), and riserto-riser adapter (3009RTR20); also fits 20-inch round catch basins (6, 7, or 8 hole - 301720CG6, 3017207G, 301720CG) and distribution boxes (6, 7, or 8 hole - 3017206, 3017207, 301720); specifically designed for use with manufacturer's 20-inch risers and d-boxes; stainless steel screws are included for installation; available in green; provides a durable and reliable solution for septic system access and maintenance; designed for long-lasting performance and ease of use; dimensions: 20 inches in diameter; material: HDPE with UV protection; color: green; includes stainless steel screws; this cover provides a secure and reliable seal, preventing odors and contamination; ideal for residential and light commercial applications.