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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
Volume: 40 Gallons
Less risk of calcium or magnesium deficiencies due to coco coir
especially when putting more light into the environment
18 Watt - 18 in
Air Box Jr. Pre-Filter Refill Mushroom Growing Kits Volume: 40 GallonsDon'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.
