- Compatibility and fit: This IBC tank adapter cap fits DN150/163 mm IBC tanks with a 1-inch external (male) thread, providing a secure connection for a variety of applications. - Ventilated design: Allows proper air circulation while preserving liquid containment, making it suitable for water storage, rainwater harvesting, and industrial liquid management. - Robust construction: Made from high quality plastics; weather resistant to seasonal changes; built for long term reliability in water storage and rainwater systems. - Easy installation: 1-inch external thread enables quick attachment to your IBC tank without tools or specialized knowledge; simple connection system forms a tight seal. - Leak resistant design: Precisely engineered to seal between the IBC tank and attached accessories, minimizing leak risks and keeping stored liquids contained and surroundings clean. - Applications and use scenarios: - Rainwater harvesting systems for homes or facilities - Water storage in agricultural or remote locations using IBC totes - Industrial liquid handling and transfer requiring a secure, vented cap