Air Box Jr. HEPA Refill Microbial & Biostimulants Outside Dimensions: 37" x 37"

Outside Dimensions: 37" x 37" x 3

which results in an Electrical Conductivity (EC) of less than 0

8 (pH adjusted) Ingredients Aged forest products

Patented White + Red Spectrum: Patented multi-spectral white chip plus two rows of enhanced red lets you design spectrum around specific crops

Growers lean on the mat early for germination

Air Box Jr. HEPA Refill Microbial & Biostimulants Outside Dimensions: 37" x 37"Special Order Note: Returns for Air Boxes not used are 14 days from the time of delivery. There is a 30% restocking fee and must pay for return shipping. This is the Air Box manufacturers return policy. Don't let unwanted air pollutens 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