Efficient 68℃/155℉ Fire Sprinkler Heads: Crafted from durable brass, these sprinkler heads feature a thermal red glass bulb that responds swiftly, ensuring rapid water dispersion in the event of a fire, enhancing safety and reliability in various indoor environments. Optimal Water Distribution: Designed as upright type sprinklers, they create a parabolic water spray pattern. This design ensures 80–100% of water is directed downwards, maximizing ground coverage while a portion ascends to cool the ceiling, providing comprehensive fire suppression. Robust Performance Specifications: Each sprinkler head operates at a working pressure of 1.2 MPa and weighs 48 g. The package includes 5 pieces, offering a practical solution for replacement and initial installation in fire safety systems. Standard Compatibility: Featuring a standard 1/2 NPT thread, these fire sprinkler heads ensure hassle-free installation and are compatible with most existing fire sprinkler systems, facilitating maintenance and upgrades. Versatile Installation Applications: Installed indoors in homes, factories, schools, and offices for fire protection. Color: Silver Material: Metal Package Contents: 5 × Fire Sprinkler Heads Note: Light reflection and different displays may cause slight color variation between the image and the actual item. Measurement tolerance: ±1–3 cm.