Tested to ANSI S3.19-1974 standards, this dielectric earplug has an NRR of 27. Its tapered design and sturdy stem allow for easy insertion and removal and a comfortable fit in the ear canal. Made from soft thermoplastic rubber (TPR), the FP42 and 43 are non-irritating to the skin.
Four flanges for a safe, accurate and comfortable seal
Reusable soft thermoplastic rubber (TPR) provides superior comfort and protection
Latex free
PVC dielectric cord conveniently hangs around neck
