Insta-Mold® Process custom molded earplugs are inserted the same way every time, will fit perfectly every time, and therefore will give maximum protection every time. See chart below for attenuation values:

NRR(per EPA-1979) 29.8 db

All test were conducted in accordance with ANSI(1974 and 1954) and EPA- 1979 Standards by Michael J. Metz PH.D. Audiology Associates Reviewed by : Garry G. Gordon M.S