A Pair of Alpha Sona F3 Industrial Ear Defenders

A pair of industrial ear defenders manufactured by Alpha, model Sona F3. The units are constructed from black and lime green moulded plastic and feature an adjustable, padded headband and foam ear cushions. The headband is prominently marked with the Alpha logo. Each ear cup is printed with identification and safety certification details, including the brand name ALPHA, model SONA F3, an SNR (Single Number Rating) of 32dB, a CE mark, and the EN352-1 standard designation.