This black rubber sleeve is designed specifically for 125mm air lock systems, providing a reliable seal for your equipment. The durable rubber construction offers excellent flexibility while maintaining structural integrity during use. Perfect for industrial and mechanical applications where airtight connections are crucial, this sleeve creates a dependable barrier against leaks and pressure loss. The 125mm size ensures compatibility with standard air lock configurations, while the robust material composition stands up to repeated use. This component helps maintain system efficiency by preventing air infiltration at connection points. The sleeve's precision manufacturing ensures a snug, uniform fit that's essential for proper air lock operation. A vital replacement part for maintaining the functionality of air handling systems where controlled airflow is paramount.