Effectively protect the sprinkler head, prevent accidental touch, collision, and maintain the sensitivity of the fire sprinkler head Cooperate with the sprinkler head to protect the sprinkler head from being damaged by external force. The product is made of high-quality iron. Surface electroplating process treatment, anti-corrosion and anti-rust, beautiful and generous. Note: the front cannot be covered, and the protective cover cannot be covered, and the covering will affect the emergency spray. Installation Notes: Release the two hooks on both sides of the shield. Spread the cage just enough to clear the sprinkler frame and deflector, taking care not to damage the sprinkler. Clamp the open end of the cage at the bottom of the sprinkler between the frame and the thread. The installation can be completed without tools and can be installed in the overhanging position. Re the two hooks on both sides of the sprinkler. Make the concave skirt is correctly repositioned on the nozzle holder according to the nozzle manufacturer's instructions. Color: silver Size: 7.5*6.7cm Delivery quantity: 1 piece Note: Other items are not included here, other pictures are just showing effect. Due to the difference between different monitors, the picture may not reflect the actual color of the item. The products are all measured manually, please allow errors, thank you!