{"product_id":"3m-90565-4dc-ps-pro-earmuff-nrr-30-db-4-pack","title":"3M 90565-4DC-PS Pro Earmuff Nrr 30 Db 4 Pack","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe 3M 90565-4DC-PS is a professional-grade passive earmuff designed to deliver NRR 30 dB hearing attenuation in moderate to high noise environments. Built around a patented twin cup design, it provides consistent acoustic seal and comfort during extended wear. A fully adjustable steel wire headband with padding accommodates a wide range of head sizes and reduces fatigue on long shifts. This earmuff is a standard PPE item installed and worn by HVAC technicians, electricians, plumbers, and other trade professionals working near loud equipment, compressors, generators, or power tools.\u003c\/p\u003e\u003cp\u003eThe 90565-4DC-PS is suited for residential and commercial job sites where ambient noise levels require rated hearing protection. Typical applications include mechanical rooms, rooftop equipment service, generator operation, and any environment where OSHA-mandated hearing conservation applies. This package contains 4 earmuffs, making it practical for outfitting a crew or maintaining job site stock.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eNRR 30 dB noise reduction rating for moderate to high noise environments\u003c\/li\u003e\n\u003cli\u003ePatented twin cup design for consistent acoustic seal and fit\u003c\/li\u003e\n\u003cli\u003eFully adjustable steel wire headband with padding for extended wear comfort\u003c\/li\u003e\n\u003cli\u003ePassive protection — no batteries required, no electronic components to service\u003c\/li\u003e\n\u003cli\u003ePackaged as a set of 4 units for crew or shop use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a general-purpose passive earmuff for trade and industrial use wherever NRR 30 dB hearing protection is required by site or regulatory standards.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eEarmuffs require no installation tools. Fit is adjusted by extending or retracting the steel wire headband until the cups form a firm seal around both ears. Inspect the ear cup cushions before each use for cracks or compression set that could reduce the acoustic seal. Follow your employer's hearing conservation program and applicable OSHA 29 CFR 1910.95 requirements for proper use and replacement intervals.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Reduction Rating (NRR)\u003c\/strong\u003e: 30 dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeadband Material\u003c\/strong\u003e: Steel wire with padding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 4 earmuffs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: EA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 3.12 pounds (package)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: 3M\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: 90565-4DC-PS\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"3M","offers":[{"title":"Default Title","offer_id":51524655186226,"sku":"90565-4DC-PS","price":147.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/2315db97707054a9caec12a916b60e24.jpg?v=1785454255","url":"https:\/\/voomisupply.com\/products\/3m-90565-4dc-ps-pro-earmuff-nrr-30-db-4-pack","provider":"Voomi Supply","version":"1.0","type":"link"}