Product Name: Children's mask (air valve)
Product specifications: ear-hanging three-dimensional
Scope of application: This standard applies to ordinary self-priming, filter-type respiratory protective equipment that protects against various types of particulate matter (including dust, smoke, fog, haze, microorganisms, etc.)
Storage environment: 1. Must be properly stored and away from contaminated areas; 2. Prevent mechanical extrusion, humidity, high temperature, sunlight exposure, and contact with corrosive chemicals; 3. It is recommended to store the product at a temperature of 0 ℃ ~ 50 ℃, relative humidity of 50% the following.
Validity: 2 years