17x19x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_hf This mix has been extensively

This mix has been extensively tested and you will see the results of our efforts when adding this excellent high porosity blend into your garden

The controller features an on-board processor that enables you to control fans in up to four zones with independent programming settings for each zone

Mild Vegetative Rate: 6 ml/gallon

all regular G-Lite sizes 1-10 gallon come in black

17x19x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_hf This mix has been extensivelyNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.