Rideau phonique sur mesure haute performance

This is a high-performance soundproofing curtain with four patented layers, certified by an independent European laboratory. It reduces noise by up to 28.2 dB and provides thermal insulation of up to -8°C.

• The description claims the product reduces noise by up to 28.2 dB.
• The description claims the product provides thermal insulation of up to -8°C.
• The description states the product is certified by an independent European laboratory.