17x25x1 Exact MERV 14 AC Furnace Filters 12 Pack reflectors and grow lights See label under DOCS tab

See label under DOCS tab for full list of crops and diseases

and will display the CO2 ppm level

an 8 oz package makes up to 800 gallons and a 2 lb package makes up to 3200 gallons

Three Tray Bottom Heat Package

This ideal ratio provides higher potassium levels to increase biomass while amplified phosphorous levels promote flower initiation

17x25x1 Exact MERV 14 AC Furnace Filters 12 Pack reflectors and grow lights See label under DOCS tabNordic 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.