3M Peltor Optime II ear defenders offer premium protection against noise levels ranging from 30-31 dB, tested to EN 352:2020. They are compatible with the 3M E-A-Rfit Dual-Ear Validation System. The spacious cups minimize heat and moisture build-up, while wide, comfortable foam sealing rings ensure an optimal seal and comfort, even during extended wear. These earmuffs are ideal for loud, demanding environments such as airports, construction sites, and agricultural work. The Optime II ear defenders feature sealing rings filled with a unique combination of liquid and foam to provide an optimum seal with low contact pressure. With a snug and comfortable fit, even during prolonged use, these ear defenders are an excellent choice for working environments with substantial industrial noise. Features and Benefits: - Sealing rings have ventilation channels to keep the user cool and comfortable. - Inserts are covered with soft and hygienic foam for ease of cleaning. - Inserts are easily replaceable for a long product life. - Low profile headband maintains constant pressure for a reliable seal. Typical Applications: - Industrial - Construction - Operating machinery - Airports - Agricultural work These passive headband earmuffs are designed to provide protection against moderate to high noise levels found in most industrial applications. When correctly selected and worn, they help reduce exposure to hazardous noise. The large space inside the cup reduces moisture and heat build-up, and the low-profile headband design maintains constant pressure for reliable protection. The soft, wide cushions reduce pressure around the ears, improving comfort and wearability.