Sold in pairs.
Proprietary bell shape and super-soft foam inserts more easily and seals more effectively to provide the highest NRR available in the industry.
• Custom polyurethane foam formulation provides slow recovery and extreme softness for optimum comfort.
• Flanged end allows easy insertion and removal.
• NRR 33dB.
• ANSI S3.19-1974; CSA Z94.2; CSA Class AL