Stop the neighbor from complaining that your ac is to loud. This compressor sound blanket is easy to install,helps reduce sound from your air conditioners compressor. Up to a 40% sound reduction. Can reduce sound by 5 decibels. Unique two piece design. Velcro straps hold the sound blanket in place. Universal fit for all reciprocating and scroll compressors up to 5 tons. Fits compressors up to 10″ around and up to 19″ tall.