Optime 98 H9a Earmuffs, 25 Db Nrr, Yellow/black

Sturdy earmuffs are designed with pivoting earcups for optimum fit. The H9A Model is a high protection design, for challenging work environments. Works with AO Tuffmaster® face protection system. Material(s): ABS Plastic; Ear Cushion Material: Liquid/Foam; Noise Reduction Rate (NRR): 25 dB; Style: Over the Head.