Expertly designed for respiratory protection, the DeltaPlus M1300VB is a high-quality foldable disposable mask made with non-woven synthetic material. Featuring an external steel nose clip and textile elastic with a clip closure, it also boasts a high-performance exhalation valve for moisture and heat control. Free from staples and graphene, this mask is individually packed for easy transport and maximum hygiene. It provides reliable protection against biological hazards, as well as particles and dolomite dust commonly found in industrial, mining, and construction environments.