ACTIVATED CARBON AIR FILTERUpdated: Oct 26, 2021+ 50% perforated open area+ 45mm bed depth of rc48 virgin activated granular carbon+ 2 pieces of Velcro pre-filter included+ Machine packed to fill more carbon
+ 50% perforated open area+ 45mm bed depth of rc48 virgin activated granular carbon+ 2 pieces of Velcro pre-filter included+ Machine packed to fill more carbon