Ventilator BMC-FM Mouth And Nose Mask Ventilation Mask Silicone Mask Household Universal Nose Mask Set Size:S and press and hold for

and press and hold for three seconds to shut down

it prefers to be on the dry side

or luggage

tear off the patch and apply it to the skin with varicose veins (repeat for about 4 weeks)

4cm differences due to manual measurement

Ventilator BMC-FM Mouth And Nose Mask Ventilation Mask Silicone Mask Household Universal Nose Mask Set Size:S and press and hold forFeatures: Compact and lightweight, easy to disassemble and clean. Made of silicone, durable, soft and comfortable. Available on both sides, smooth cotton on one side and soft flannel on one side. The forehead support structure does not need to be adjusted to suit different face types. Description: Ventilator BMC FM Mouth and Nose Mask User friendly buckle design, easy to wear, simple operation. Specifications: Material: medical silicone Color: