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Description
They also performed the best in our tests for pink noise, dog-barking, snoring, traffic, airplanes, and music (and tied for first place with our top foam pick, Macks Slim Fit Soft Foam Earplugs, in our baby-crying test)
To ensure quality and transparency, we provide third-party testing certificates upon request
Jun 2008;106(6):1728-32
Batch-specific Certificates of Analysis are available for every product Purity and identity are confirmed using validated analytical methods, including High-Performance Liquid Chromatography (HPLC) and Mass Spectrometry (MS)
