Optimize and protect your sanitation system with the 300L Tunnel 2-Pack Cover Set , the essential accessory to ensure the proper sealing and operation of your septic tank filtration and drainage tunnels. Specifically designed to seal the ends of the infiltration modules, these covers guarantee a watertight system, preventing the entry of soil, sediment, and other external agents that could compromise drainage capacity and the lifespan of the entire installation.

Manufactured from high-strength, durable plastic materials, these covers perfectly withstand the pressure of the surrounding soil and adverse subsurface conditions. Their robust design is intended for seamless integration into autonomous drainage networks, stormwater management systems, and sustainable infiltration systems, offering a reliable solution for both residential and industrial projects. With reference G231004 , this set guarantees a precise fit and quick installation in 300-liter tunnels.

Main Features

• Full compatibility: Custom designed to seal the ends of 300 liter infiltration and drainage tunnels.


• Maximum watertightness: They prevent the filtration of mud, dirt and solid elements into the tunnel, protecting the filtration system.


• High durability: Made of premium polymers that are highly resistant to corrosion, impacts and ground pressure.


• Easy installation: Direct and quick coupling system that optimizes trench assembly times.


• Sustainability: A key component for efficient wastewater and stormwater management and disposal systems.

Frequently Asked Questions

What exactly does this product include?

The product includes a set consisting of two end caps, necessary to close both ends of a 300 liter infiltration tunnel line or to complete the closing points in your drainage installation.

Are they compatible with any drainage tunnel model?

These caps are specifically designed for standard 300-liter infiltration tunnels, ensuring a perfect, airtight fit. It is recommended to verify your system's dimensions before purchasing.

What maintenance do the covers require once installed?

Because they are buried and form part of the watertight structure of the drainage system, they do not require periodic maintenance, provided that a correct initial installation has been carried out, free of excessive stress on the ground.