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Mack’s Flightguard PR3 Design

McKeon introduces Mack’s Flightguard earplugs

McKeon introduces Mack’s Flightguard earplugs

WARREN, Mich. — McKeon Products Inc. has expanded its hearing protection product lineup with the launch of Mack’s Flightguard Airplane Pressure Relief Earplugs. McKeon said Friday that Mack’s Flightguard Airplane Pressure Relief Earplugs are designed specifically for today’s hectic travelers to provide flyers with a better, more comfortable flight experience. Developed by hearing protection specialists,