17x29x1 Exact MERV 14 AC Furnace Filters 6 Pack hydro-systems 1 x CO2 PPM Controller

1 x CO2 PPM Controller

79 μmol/joule Total output 1567 PPF Dimensions 26" x 26

If you are concerned about losing your crop due to a pest or powdery mildew outbreak

Cocogro has a very low salt content that is available in 1/2" double-sieved long fibers to reduce dust and give ample space within the mix

17x29x1 Exact MERV 14 AC Furnace Filters 6 Pack hydro-systems 1 x CO2 PPM ControllerNordic Pure MERV 14 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 14 furnace filters are comparable to HVAC filters with the rating of MPR 2800.