You can order these ER-20 earplugs from www.musiciansfriend.com. They are about $20.00 or so. I use them and they work very well. You don't need an audiologist to order them. I also have the Beltone custom fitted plugs, and these work just as well. They are also more comfortable and easier to insert. And if you lose them you won't lament the loss of $100.00 or more. Paul McCloud San Diego
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