18x27x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack bloom This impeller and guide vane

This impeller and guide vane combination provides a smooth laminar air flow which in turn minimizes turbulence and noise and generate an excellent air flow to static pressure performance ratio

It allows the flexibility of adding only the number or rings you need as your plants grow

Use 1 – 3 teaspoons (5 – 15 ml) per gallon

●【 High-Efficiency Energy Saving Plant Light】only 300 watts true output with 684 PCS LEDs

The ideal reflector choice for lower mounting heights

18x27x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack bloom This impeller and guide vaneNordic Pure pleated AC air filters are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home or office. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, baking flour, mold spores and other contaminants are removed. Our filter media prevents the growth of bacteria or mold, resulting in a much healthier living space.