Purely Composite Nanomaterial Mask Filter Set Outdoor Healthy Riding Equipment From Xiaomi Youpin

Specification: Name Mask Filter Set Brand Purely Material Composite Nanomaterial Features: Composite nanomaterials, PM2.5 purification efficiency up to 99%. Mask filter is soft and skin-friendly, ensuring comfortable and healthy breathing experience. Mask filter 10 pieces and Purely mask filter 20 pieces. Package Included: 10xMask filter 20xPurely mask filter .