• Model #9300
• NRR=31dB - Tested at a NVLAP accredited laboratory
• Super soft and comfortable Polyurethane Foam
• Exerts very low pressure on the ear canal
• Tapered and smooth design allows for quick, easy and positive insertion
• Bright purple plugs and bright yellow cord for easy compliance checks
• Available with or without cord, packaged in heat sealed bags, 200 pair per dispenser
• Also available in special 50 pair dispenser pack for low volume users

Attenuation data

Frequency in Hz	125	250	500	1000	2000	3150	4000	6300	8000
Mean (dB) Attenuation	34.0	34.6	38.1	37.9	39.0	41.1	43.7	46.2	45.6
Standard Deviation	3.6	4.0	3.3	2.8	2.7	3.3	4.0	4.7	4.1
NRR=31dB