Fire Sprinkler Frame Protective Recessed Fire Sprinkler Chrome SprinklerFeature:1. The installation can be completed without tools and can be installed in a dangling position.2. Release the two hooks on either side of the dial.3. Unfold the cage enough to clean the sprinkler frame and deflector, being careful not to damage the sprinkler.4. Clamp the open end of the cage into the bottom of the sprinkler between the frame and the thread.5. Re-enable the two hooks on either side of the sprinkler. Make sure the concave skirt is properly moved onto the nozzle holder according to the nozzle manufacturer's instructions.6. Use only if the built-in nozzle cover can be installed without the nozzle manufacturer interfering with proper nozzle installation in accordance with the installation instructions and installation instructions.7. For embedded shield. Re-engage the two hooks on either side of the sprinkler. Suitable for most built-in sprinkler applications. Specification:Material: Metal Size: 69*67mm/2.71*2.63''Note:Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Please allow 1-2cm measuring deviation due to manual measurement.1 X Fire Sprinkler1.