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| Products and services > Personalised protections > The COTRAL protections > COTRAL Premium > Characteristics | |||||||||
COTRAL PremiumCHARACTERISTICSEC certified, this hypoallergenic soft silicone custom hearing protection* is manufactured in the COTRAL International based on the impressions taken by the Prevention Technician. It offers the advantage of double locking which guarantees correct positioning of the protection in the ear and a perfect seal in the concha. Comfortable and easy to insert, this protection has a 5-year guarantee. Each protection is equipped with fastener fixed to the handle with a cord and a clip. Options available with COTRAL Premium
The acoustic filter: 8 interchangeable acoustic filters (EC certified by the National Institute for Research and Safety - INRS) are available with this protection. Tubular in shape, they are inserted inside the protections. Carefully selected, they allow you to communicate in a noisy environment by providing selective reduction in the frequencies: a very marked reduction in high-pitched sounds and moderate reduction in the so-called conversational band (500 to 2000 Hz). The filter of each custom hearing protection has been carefully selected according to:
Service life of the protections: 5 years
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COTRAL International BP100 14110 CONDE SUR NOIREAU - Tél : +33 (0)2 31 69 36 36 - Fax : +33 (0)2 31 69 36 35
COTRAL International, Secrétariat commercial Bahnhofstrasse 52 CH-8001 ZÜRICH - Tél : +41 (0)44 214 67 24 - Fax : +41 (0)44 214 65 19
COTRAL International, Secrétariat commercial 8 Avenue des Arts B-1210 BRUXELLES - Tél : + 32 (0) 2 545 11 52 - Fax : +32 (0) 2 545 11 46
