Nasal air filter, there are great God to help buy
The air chamber of the new filter is cleaned by reverse blowing or water spraying. Application date: 2002 06 month 21 days open day: authorized announcement: 2003 06 month 04 days the applicant / patentee
Because the air filter http://www.dghepa / nasal air filter when using only the nasal plug in the nasal cavity, the covered face area and the lowest part of the radiation due to the instant noodles; nasal air filter has a gas chamber, the filter area is large, to ensure the smooth breathing.
The outer wall of the air chamber is composed of 3 or more layers of adjustable filtering paper, or the outer wall of the air chamber 3 is composed of a filter element 3 and a gripping bracket 3 used for clamping the filter element
The utility model relates to a rhinobyon type air filter, air filter is composed of two end are respectively inserted into two nostrils, and the other end of the hollow chamber 2 nasal conduction tube 1 and room 2, room 2, gas is a gas chamber can be filtered by outer air surrounded, only in 3 with nasal tube 1 is arranged at the connecting two 1 connected connection mouth cavity and nasal tube.