17x22x1 MERV 14 AC Furnace Filters 6 Pack DUCTWORK Improves uniform crop growth and

Improves uniform crop growth and overall crop quality that will produce higher yields

• Removes residual solvent to low ppm

Programmable thermostat controller with automated speed control

soft start technology

Amend any potting soil with this micronized vegetative nutrient to activate the aromatic power of your garden’s natural terpenes

17x22x1 MERV 14 AC Furnace Filters 6 Pack DUCTWORK Improves uniform crop growth andNordic 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.