Air Box Jr. Pre-Filter Refill
Air Box Jr. Pre-Filter Refill at -
Don't let unwanted air pollutents get in your grow room! Eliminates 98% of all insects, molds, mildews, spores, pollen, dust, dander and other airborne particles down to 0.3 microns using the MERV 13 filter. Keeps glass lenses dust and bug free. Replaceable, economic, disposable filters. Accepts standard 10" duct. Use the charcoal filter on exhaust ducts. Adaptable to any duct/filtering system. Easy to install, easy to use, easy to maintain. Replaceable high-flow carbon filters. 100% premium virgin oconut charcoal. 100% of the filter surface area is used. For comerial or residential applications.