The Moldex 6604 SparkPlugs Uncorded Foam Earplugs are disposable earplugs designed for personal protective equipment in various industrial and business settings. With an NRR rating of 33dB, these earplugs provide effective noise reduction to safeguard users’ hearing. Made in Germany by the trusted brand Moldex, each box contains 200 units of these comfortable and efficient earplugs. Ideal for maintaining safety and comfort in noisy environments, the Moldex 6604 SparkPlugs are a reliable choice for those in need of quality ear protection.