The STI-3150 Weather Stopper consists of a clear, tamperproof, super tough polycarbonate cover, and gasket spacer with an integrated frame that fits over most manual pull stations.


• Protective polycarbonate cover
• Helps stop false alarms
• Without horn, fire label
• Clear spacer with gaskets
• Helps extend the life and reliability of weather-exposed manual pull stations
• ULC/UL Listed, IP Rating 44, ADA Compliant

Stopper II without Horn, with Spacer, Surface Mount