UNI EN ISO 354: 2003, UNI EN ISO 11654: 1998; Sound Absorption Trevira: Alpha W 0.65, NRC 0.64; Sound Absorption DOTS: Alpha W 0.25, NRC 0.23; Sound Absorption Velvet: Alpha W 0.80, NRC 0.82
Maintenance
Regularly and carefully use the vacuum cleaner with a smooth spout or use soft bristle brushes or professional pads for padding and upholstery
