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3M Peltor P3000 Next Tri-Flange Earplugs, Clear, Regular, Box of 100, Case of 4 Boxes Checkers This Gunshot Residue Presumptive Test3M Peltor P3000 Next Tri Flange Earplugs, Clear, Regular Box of 100, Case of 4 Boxes The 3M Peltor P3000 Next Tri Flange Earplugs are reusable corded hearing protection earplugs engineered with an advanced tri flange design that delivers a secure, comfortable fit and reliable noise reduction for demanding industrial work environments. Featuring a next generation ergonomic stem for easier insertion and removal, soft durable polymer construction,