HANNEA Mask for Daily Protection with 5 Layer Filtration and 20 Piece Set | Non Woven Fabric new 5-hour charging time and up

5-hour charging time and up to 8-hour runtime

Moisture-proof and mildew-resistant design helps maintain sponge cleanliness and longevity

providing proper electric current for warning your dog for wrong behavior but will not hurt your dog

Easy to Install: No Worry of tripped over by untied shoelaces when walking

while the hidden

HANNEA Mask for Daily Protection with 5 Layer Filtration and 20 Piece Set | Non Woven Fabric new 5-hour charging time and upHANNEA Mask is a 20 piece set designed with five layers of filtration to help protect against particulate matter in daily environments. Each mask filter includes two layers of meltblown cloth, one layer of activated carbon, and two layers of non woven fabric to enhance particle and dust filtration. The non woven material is breathable, skin friendly, and comfortable for extended wear. Measuring 12x8 cm, the filters are easy to insert into surgical