Suggested Retail: $24.69. 3M Pro-Grade Noise-Reducing Earmuff - The 3M Pro Grade Earmuff is a high noise reducing/protection earmuff. It features an adjustable, vented headband for reduced heat build up and improved comfort when worn with hats. It has premium cushioning and pivoting cups for a good fit, and a lightweight, adjustable design that reduces pressure points for all-day comfort. Made from durable plastic and metal, with a Noise Reduction Rating (NRR) of 30 dB. Brand: 3M Model: 90565-4DC-PS -- LOT STICKER: BB-BOX-BOX00000245-ITEM-05c03030___LPNRRFY9105751 -- SIZES ARE ESTIMATED. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.