• Use with SE307, SE308.
• Can be used as prefilter for cartridge/filter, that can make your cartridge/filter
   to have a longer life.

• (1) non-woven filter.
• (2) inside layer 3mm non-woven filter.
• (3) complied with N95.
• (4) diameter 80mm.

• Before lock up your cartridge, you put one piece of dust filter  on the top of cartridge/filter.

• Use with SE307, SE308.
• Can be used as prefilter for cartridge/filter, that can make your cartridge/filter
   to have a longer life.

• (1) non-woven filter.
• (2) inside layer 3mm non-woven filter.
• (3) complied with N95.
• (4) diameter 80mm.

• Before lock up your cartridge, you put one piece of dust filter  on the top of cartridge/filter.