This double gas mask is designed to protect you from breathing in dust and fine powders. Suitable for dust prevention in mining, cement factory, ceramics factory, shipyard, metal smelting, power plant, stone processing,polishing, interior decoration, epidemic prevention,powder processing operations produce. Specifications: Primary Material: Rubber Size: approx. 128 * 110mm / 5.0 * 4.3in Package size: 200 * 100 * 50mm / 7.9 * 3.9 * 2.0in Package weight: 350g / 12.3ounce Packing List: 1 * Mask
