1. This product is made into injection molding case with
comb patten therefore external is refined and light.
2. Filter can be reused several times after it is shaken
off in a neutral detergent or compressed air.
3. The surrounding temperature while in use -10℃
~+70℃, which includes extreme conditions.
4. The duct structure is designed between the case and
the filter, allowing for the wide absorption of fine dust.
Oid filter is filed with oily dusts, therefore it should be put
in lukewarm water for 10 minutes with a neutral detergent
by 95:5 ratio. Then wached in water and natural dry before use.