17x21x1 Exact MERV 13 AC Furnace Filters 12 Pack Bio-Fertilizer CO2 Sensor Type: NDIR (Nondispersive

CO2 Sensor Type: NDIR (Nondispersive Infrared)

Sungrower Supply Trellis Netting Kits for GeoPlanter maximize fruit and flower spacing while reducing ground contact and ensuring plants have optimal support

Tarp Zip-Up's zipper is very unique in that it solves the problem of creating a secure and easy to install door into sealed off areas and plastic film structures

1000W HPS only

and odor molecules

17x21x1 Exact MERV 13 AC Furnace Filters 12 Pack Bio-Fertilizer CO2 Sensor Type: NDIR (NondispersiveNordic Pure MERV 13 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores, smoke particles, virus carriers, coughs and sneezes, smog, allergens and other contaminants are removed. MERV 13 furnace filters are comparable to HVAC filters with the rating of MPR 2200