The ARC Electro Arc Helmet Ear Defenders is made of insulating materials and do not contain any conductive parts. The cup made of yellow PS, headband and helmet adaptor of POM in black, the cushions of PVC. They have a height adjustable wearing.
The adjustable ear muffs attach to the STRATA PPE560 Arc Flash Helmet / Visor with soft PVC cushions.
Storage and Maintenance
When the earmuffs not in use, they should be stored in a clean dry container or locker. Avoid the proximity of heat sources.