The Septic Tank Riser Assembly measures 18 inches in diameter and 2 feet in length, providing a robust solution for septic tank access. Made from high-density polyethylene, this riser is designed to withstand harsh environmental conditions while ensuring durability. It features a secure fit to prevent leaks and is compliant with industry standards for septic systems. This assembly simplifies maintenance and inspection of septic tanks, making it an essential component for any septic system. Its lightweight design allows for easy installation and transport.