One of the lightest semi-aural hearing devices on the market. E ?A ?RCap provide day long protection for workers exposed to noise and are ideal as disposable protectors for factory visitors. Replacement pods are available. Spare Pods To extend the life of your semi-aural and maintain hygiene E?A?R offer replacement pods identical to the comfortable original equipment. All pods are easy to replace and come in a convenient pocket sized box. SNR 23dB, H=27dB, M=19dB, L=17dB