Nonoise DIY Garden Protection Type 2 Pcs. Nonoise Water Sport Hearing Protections 1 Pair developed by experts in audiology, composed of silicon-free hypoallergenic thermoplastic, offer a superior performance in comparison to other traditional protections.Ideal for water sports fans, comfortable and reusable, adapted to all, these protections with patented ceramic filters allow to avoid water to penetrate in the ear during swimming, diving, surf, etc.Characteristics of the hearing protections:- Venturi type sound channel in the filter center, exclusive for each product,- NN40 patented ceramic filter placed in the audition track, for more protection,- tri-sections design for a perfect comfort, adapted to all ages and ears (diameter 6-12mm).Clinically tested and approved. >>>>> BUY NOW <<<<< >>>>> BUY NOW <<<<<