Invisible Septic Tank Cover — composite resin manhole cover designed to sit flush with the ground for a tidy, safe, lowmaintenance solution. Key benefits Clean, unobtrusive appearance: The cover is hidden underground when not in use, keeping lawns and landscapes neat and eliminating tripping hazards for pedestrians and bicycles. Durable, strength construction: Made of composite resin with an internal concentric circle reinforcement structure for improved strength and stability. Longterm, lowmaintenance performance: Engineered to resist cracking, bending, deformation, and common damage modes that increase costs. Secure, stable fit: Embedded frame and antidisplacement design keep the cover tightly engaged with the frame, preventing movement from foot traffic, water scouring, or external impact. Main specifications Material: Composite resin (resin manhole cover) Internal reinforcement: Concentric circle reinforcement structure for strength and stability Depth / thickness: 12 cm / 5 in Load capacity: Up to 200 kg / 440 lb Frame design: Embedded frame with antidisplacement engagement How it solves common problems Prevents trips and improves aesthetics by remaining invisible at ground level when closed. Reduces ongoing maintenance and replacement costs through robust materials and reinforcement that resist damage. Avoids cover displacement and the safety risks that come with shifted or loose access covers thanks to the embedded frame locking design. Recommended applications / use scenarios Residential yards and gardens: Keeps lawns neat and safe while allowing easy access to septic or utility openings. Pedestrian paths, parks, and landscaped areas: Provides a flush, nonobstructive access point that withstands foot traffic. Lightduty service areas and utility access points: Suitable for locations where loads do not exceed 200 kg / 440 lb. Installation and compatibility notes Designed to be installed flush with the ground and hidden when closed. Confirm your access opening dimensions and local installation requirements before ordering. Load capacity is 200 kg / 440 lb; do not use this cover for heavy vehicle traffic or loads that exceed the specified bearing weight. The embedded frame requires correct seating and installation to achieve the antidisplacement performance described. Durability and maintenance Composite resin construction and concentric reinforcement reduce the risk of damage from impact or environmental stress. Tight engagement between cover and frame minimizes movement and the need for frequent adjustments or repairs. Routine visual checks after heavy weather or unusual impact are recommended to confirm continued secure seating. For dimensions, installation guidance, or to confirm fit for your access opening, contact the supplier or installer before .