Search results: aspirator

for the hood to work smoothly and endlessly, after a period of use you need to clean the filter net and replace the activated carbon filter periodically. how to clean the vacuum

hoods are no longer strange to families, because of their durable performance and efficiency in their use. so, what is a hood and what kind of hoods do you have? please refer to

a nasal nasal aspirator is a necessary medical device for families with young children and is recommended by doctors when children have upper respiratory tract infections such as