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XSet Quattro’s 4-flange design allows it to fit almost all ear canals, and the ultra-soft polymer provides a comfortable and effective seal, and it has a sturdy stem to give an easy grip for insertion and removal (stem can be cut to preferred length). XSet Quattro material is resistant to ear wax and body oils and will outlast PVC earplugs by many months, and the polymer is non-allergenic and non-irritating. It’s also reusable and washable for multiple users.
Noise Reduction Rating (NRR): 25 dB! Testing was performed to ANSI S3.19-1974 at an independent and certified laboratory. European Single Number Rating is 26 dB, and testing was performed at an independent and certified laboratory. Click here to view test data document EN-352-2 (Adobe PDF).
XSet Quattro earplugs have been assigned Military National Stock Number (NSN) 6515 01 492 0443.
XSet Quattro noise-attenuating earplugs—NRR 25, providing the hearing protection required for most high-noise environments. Ambient noise is reduced for clear communication. Combine with our ComTips Earpieces (NRR 21) for complete hearing protection.