DET30™ PLUS is a general-purpose reusable cotton mask for daily use. Made with an anti-bacterial treated fabric, it creates a barrier to obstruct droplets and has a high degree of breathability and comfort. It has three layers, with a front-pleat design that extends to cover your nose and chin and a nose wire to create a close fit. Equipped with a nano filter, this mask has 95% Bacterial Filtration Efficiency (BFE) and 70% Particle Filtration Efficiency (PFE) ratings even after 30 washes.