• Advanced air pocket design features internal noise-blocking fins
• Rounded flanges, tapered shape fits better in the ear canal
• Firm stem facilitates easy insertion and removal
• Four-flange profile creates better seal in the ear canal
• Less pressure in the ear canal eliminates that “plugged up” feeling
• Pack of 50 BX
• Manufacturer part number: AS-1
• UPC Code: 33552000242
• ANSI S.3.19-1974

Specifications:

• Body Material = Thermoplastic Elastomer
• Color = Blue
• Maximum Attenuation @ Frequency = 44.2 dB @ 8 kHz
• Noise Reduction Rate (NRR) = 27 dB
• Packing Type = Poly Bag
• Quantity = 50 pair per box
• Type = Uncorded
• Wt. = 0.02 lb
• This is a normal stocking item.