The Electrolux UltraSilencer is made with 55% recycled shredded car plastics and uses 33% less energy than the average 2.000-Watt vacuum cleaner. The recycling process also saves 90% of energy compared to the production of these pieces from virgin plastic. Like all UltraSilencer models, it emits a noise level of only 71dB(A), compared to the average vacuum cleaner's 78dB(A).