3M Peltor 393 3005 2 ~ Earmuff x4 5x Probed Test Cushions 7100062128 Line_Privo Brand 3M Line Adflo Origin Brand Superior Glove Line Brand 3M Line Adflo Origin Country Sweden Product Type Indicators The 3M Head Harness Assembly 6281 is a replacement part for the 3M Half Facepiece Reusable Respirator 6000 Series (sold separately) Brand 3M Line Peltor Color Black Origin Country Poland Product Type Communications Size One size 3M Peltor Earmuff X4 5X Probed Test Cushions easily snap into the 3M Peltor X Series X4 and 3M Peltor X5 Earmuffs (sold separately) to allow for fit testing with the 3M E A Rfit Dual Ear Validation System