Enhance the production efficiency,Replacing easily and long-live using, so it can minish the frequency of replacing; Air Fliter Vent for injection Mold.Description of the products:1High Aeration: 5~30 times higher than commonly Exhaust Tuck;2Enhance the production efficiencyReplacing easily and long-live using, so it can minish the frequency of replacing;3Many apertures: 0.2-0.4mm;4Heights: 10~ ...