Delta Plus Quattro is a universal size reusable ear plug, designed to be used repeatedly, with maintained comfort and effectiveness. Delta Plus Quattro offers the following features. Delta Plus Quattro Ear Plugs (Box 100Pr)

Delta Plus Quattro Features:

• A four-flange design that allows this earplug to fit almost all ear canals.
• An ultra-soft polymer provides a comfortable and effective seal.
• A sturdy and stiff handle allows an easy insertion and removal grip.
• The material is resistant to earwax and body oils and will outlast PVC earplugs in many months.
• Polymer is non-allergenic and non-irritating to sensitive skin in the ear canal.
• The noise reduction rating is 25dB, and the test was performed on ANSI S3.19-1974 at an independent and certified laboratory, NVLAP #0427.
• NSN = 6515-01-492-0443