6Pack 155°F Pendent Fire Sprinkler Heads 1/2″ NPT Quick Response System

★ 68℃/155℉ fire sprinkler head pendent type with brass material,the thermal red glass bulb response quickly to spray water. ★ Pendent type sprinkler head, parabolic shape of water spray. Spray 80～100% of the total water down to the ground.