Howard Leight by Honeywell Earplugs, Single Use, Series: FirmFit, Uncorded Design Type, 30 dB Noise Reduction, Cylindrical Shape, Universal Size, Orange Plug, PVC Foam Plug, Specifications Met: ANSI S3.19-1974, Disposable.Extensive research into earplug preferences revealed that some workers prefer a firm foam earplug. They gain a sense of security from feeling the earplug in their ear and while they like knowing the earplug is there, workers want greater comfort. Independent tests reveal that FirmFit outperforms the leading classic style earplug, providing workers with a more comfortable option.