Large Waterproof Hearing Instrument Case Color:Blue Libby horn tubing uses the

Libby horn tubing uses the horn effect to increase response rate in the high-frequency range

Sonic Alert Model SBD375ss-v3 User Guide

3-year manufacturer's warranty (excludes needles & filters)

Approximately 4-6 impressions per cartridge

Alcohol free - won't harm plastic

Large Waterproof Hearing Instrument Case Color:Blue Libby horn tubing uses theLooking for a durable case that you can count on to protect your valuable investment? This compact, waterproof hearing instrument case is the perfect solution for safely storing your hearing aids, cochlear implant or PSAP. It's large enough to fit most devices yet small enough to tuck away for your convenience, making it the perfect product to keep your investment safe when not in use. Perfect for swimmers, travelers and anyone who wants to keep their