8x12x1 MERV 12 AC Furnace Filters 6 Pack special-order post-emergent herbicide knocks out unwanted

post-emergent herbicide knocks out unwanted grass and weeds at the root—no comeback guaranteed

Pump requires a minimum of 20 psi to operate

and with their 7200° Kelvin color temperature they consistently provide intense light in the correct spectral range for energetic vegetative growth

order multiple units or allow the population to naturally expand over one growing season

8x12x1 MERV 12 AC Furnace Filters 6 Pack special-order post-emergent herbicide knocks out unwantedNordic Pure MERV 12 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, allergens and other contaminants are removed. MERV 12 furnace filters are comparable to HVAC filters with the rating of MPR 1500 1900. While different