Uvex K30H is a dielectric high-insulation earmuff designed for direct helmet attachment in the 30mm Euro slot. The new plastic arm, in combination with our uvex pheos E helmet, ensures safety in electrical environments. The soft, stepless length adjustment allows for a perfect fit in the wearing position. Thanks to the swivel and pivot movement, the cups can be easily and quickly moved into working, standby, and storage positions. The sealing cushions, filled with memory foam, provide good sealing and adaptation to the head. For high hygiene standards, we recommend the hygiene set Art. No. 259997. Regularly replacing the sealing cushions ensures a secure seal and also extends the lifespan of the earmuff.