1. Made of quality TPU rubber material, high hardness, toughness and more stable. 2. The nuts on top of the shock pad in size and work with most air conditioners. 3. Reduce the low-frequency noise caused by vibration and give family a comfortable sleep. 4. The installation is simple, the load-bearing is strengthened, and the structure is stable and safe. 5. Designed for heavy duty indoor or outdoor air conditioning use., Manufacturer: DongDong store