Featuring the Patented Cert-A-Fit® Technology — Creating The New Standard for Foam Earplug Fittings.

Sert-A-Plug® Patented Cert-A-Fit® foam earplug fitting technology fits earplugs directly into the ear canal eliminating the uncertainty associated with finger fittings. Sert-A-Plug makes foam earplugs safer and easier to fit and for providing improved Personal Attenuation Ratings (PAR).

Reusable high-quality cost-effective foam earplug fitting tools strive to mitigate Occupational Noise Induced Hearing Loss and Standard Threshold Shifts and to protect workers’ hearing, health, and quality of life!

Specializing in the most important aspect of occupational hearing protection, the Protection! Fit Matters “Because It’s Loud Out There!”

• Superior foam earplug fittings — Foam earplugs fit “Right and Tight!” minimizing exposure to hazardous noise levels.
• Ease of application — Simple, efficient, and easy to use over and over again!