Otis Technology EarShield Replacement Cuffs Black. To replace simply pop off the old cuffs and replace them with a new set. The replacement cuffs for the Ear Shield fit both the 26dB and 31dB models. Includes 2 pairs of replacement cuffs. Impervious to mold mildew and bacteria and can be cleaned with mild soap and water. Specifications for Otis Technology EarShield Replacement Cuffs: Manufacturer: Otis Technology Size: Small Color: Black NRR: 26 - 31 dB Quantity: 2 pairs Depth/Thickness: 4.75 in Width: 4 in Height: 0.5 in Features of Otis Technology EarShield Replacement Cuffs Replacement silicone cuffs for Ear Shield hearing protection Compatible with both 26db and 31dB Ear Shield models Includes 2 pairs of replacement cuffs Impervious to mold mildew and bacteria and can be cleaned with mild soap and water To replace simply pop off the old cuffs and replace them with a new set Package Contents: Otis Technology EarShield Replacement Cuffs Otis Technology FG-ESH-C: EarShield Replacement Cuffs Black