Using patented impulse filter technology, the Sordin SmartEar™ Impulse earplug reduces peak sound pressure levels produced by gun and rifle shots. Developed for military application and used by NATO soldiers, Sordin SmartEar™ Impulse is ANSI IPIL certified for impulse noise up to 166 dB where it provides 33 dB of attenuation. When sound peaks are not present, the earplug provides 19 dB SNR, ensuring voice and ambient noise can be heard with minimum occlusion effect. By allowing air into the ear to reduce ear canal irritation, the wearer retains sound directionality and spatiality, critical in hunting situations. Combined with its small size and comfortable medical-grade ear tips, it is ideal for all-day use, fitting unobtrusively under communication headsets or earmuffs. A perfect fit is guaranteed Medium and Large eartips included. (Filters are mounted in the large eartips.) Hygienic Acoustic filters are fitted with advanced technology mesh, ensuring your ears will remain well ventilated at all times. Hypoallergenic The earplug is made of medical-grade TPE. Value for money Sordin SmartEar™ Impulse earplugs can be used multiple times. Natural sound Natural hearing is preserved, which facilitates situational awareness. IN THE PACKAGE 1 pair medium size 6-11 mm 1 pair large size 7-12 mm Metal container with keychain Manual