1.Anti-vibration Pads: Special ‘Rubber-EVA-Rubber' sandwich structure, designed for air compressors, central air conditioner unit, ductless mini split heat pumps, condenser units, washer and dryer machine. Or can be anti-skidding pad for outdoor furniture2.Wide range of applications: air compressorvibration pads Designed primarily for heavy-duty mini-split heat pumps, air compressors, washers and dryers to provide anti-aging and vibration damping.3.High Quality Material: Made of industrial grade rubber with EVA foam, which features the best shock absorption and noise reduce, resistant to oil and all weather elements, more effective at vibration dampening than solid rubber4.Suitable for outdoor use: Considering anti vibration pads carry a slight tire odor,It is recommended that they be used in an outdoor environment to allow the odor to dissipate naturally. For indoor use, leave them outside for a few weeks or wash them several times with soap to reduce the odor. It is recommended that the user allow time for the air compressor isolation pad to acclimatize to the environment to prove its worth5.You Will Receive Four Rubber Anti Vibration Pads.5.You Will Receive Four Rubber Anti Vibration Pads.