Ear Muff-MSA-SOUND CONTROL SH Full-Brim Earmuffs-10129327-Helmet Mounted Ear Muff

MSA 10129327 is the SoundControl SH passive, helmet-mounted earmuff for slotted MSA V-Gard full-brim hard hats. The official Australian product page lists a 25 dBA NRR and a spring design intended to provide low pressure and wearing comfort. The cups offer three wearing positions, gloved-hand adjustment and height adjustment. MSA states that this configuration retains the Class E dielectric rating when used on the compatible V-Gard full-brim hard hat. Confirm the exact helmet slots, complete assembly and workplace hearing-protection requirements before use.