Reusable, Corded Protection with 25 dB NRR
The 3M E-A-R UltraFit 340-4004 is a professional-grade, corded earplug designed for repetitive industrial use. Its patented triple-flange design provides an adaptive, comfortable seal for almost any ear canal, delivering consistent attenuation in noisy environments like manufacturing, construction, and automotive plants.
High quality industrial products for welding, robotic automation, and manufacturing solutions.