21x22x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Odor Control • Very strong photosynthetic action

• Very strong photosynthetic action

By suspending the nematodes in water and applying to the soil below and around the hive

1" fill/drain fitting

This makes the OG DE1000W the optimal choice for small scale growers that want all the benefits of DE lighting technology

The CO2 PPM Controller by LTL Controls is a simple and affordable way to control your CO2 injection device

21x22x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack Odor Control • Very strong photosynthetic actionNordic 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.