Due to State and Federal Law, we sell Syringes and Needles only to the Medical Facilities. View the tympanic membrane and ear canal while screening for hearing loss, quickly and accurately * Choice of three screening levels-20 dB HL, 25 dB HL and 40 db HL-at 500, 1000, 2000 and 4000 Hz for all ages * Built-in 1000 Hz pretone lets patients "practice" listening first * Relevant CPT codes": 92551, 92552, 92587