Corded Foam Earplugs – NRR 33 provide high-level hearing protection with the added convenience of a connecting cord for easy access and reduced loss. Made from soft, expandable foam, they conform comfortably to the ear canal for a secure fit and extended wear comfort. With a Noise Reduction Rating (NRR) of 33 dB, they help reduce exposure to loud machinery and hazardous noise levels. Ideal for construction, manufacturing, industrial, and maintenance applications where reliable hearing protection is essential.