All sizes of EP3s have identical flanged ear canal stems – that is the portion that fits in ear canal.
24dB Noise Reduction Rating ( NRR) with stoppers inserted lowers potentially dangerous noise levels above 85dB Hear safe sound levels (with stoppers out) as if you weren’t wearing ear plugs. Ergonomic design and double – flange stem design conforms to ear sharp for comfort and secure retention. Made from hypoallergenic medical – grade polymer that’s soft durable and long – lasting while using phone headphones or supplemental hearing muffs.
NRR rating with stoppers inserted
Each set is packed in a convenient carry case