Mifab MR-500 Trap Seal Primer – 6 Drain System

The Mifab MR-500 Pressure Drop Activated Trap Seal Primer is a high-performance solution for maintaining water seals in up to six floor drain traps with 1/2″ connections. Designed to prevent trap dry-out and sewer gas entry, this primer ensures reliable drainage performance in commercial or residential settings. Its sleek, modern design integrates seamlessly with existing plumbing while delivering consistent, automatic activation when pressure drops occur.

Built for durability and efficiency, the MR-500 features a refined finish that complements both functional and aesthetic requirements. Ideal for facilities prioritizing maintenance-free operation, this primer eliminates the need for manual refilling while supporting systems with multiple traps. Manufactured in China, it meets rigorous quality standards for long-term reliability.