12x25x2 Pleated MERV 14 Air Filters 3 Pack ventilation • Measures pH and temperature

• Measures pH and temperature in nutrient solution

- Day/night detection

the effects are limited to early growth stages and eggs

flower and foliage growth

12x25x2 Pleated MERV 14 Air Filters 3 Pack ventilation • Measures pH and temperatureNordic 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.