Air Box Jr. Hepa Refill

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Filter Type Replacement Pre-Filters Don't let unwanted air pollutants get in your grow room with this versatile Air box jr. From the maker of the original Air box, it 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. This refill cartridge size is suitable for Air Box Jr. HEPA Refill. Carbon filter should be changed often; please replace every 12 months for best results Show more