12x25x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 6 Pack Reflective & Greenhouse Films Full spectrum (6400K) grow lights

Full spectrum (6400K) grow lights replicate natural sunlight for year round growing

pH Down™ is an additive designed for use when you need to lower the pH into a more acidic range

a higher transplant survivability

Highly visible large LCD display

Each shoe cover is low-linting and sterilized to a 10⁻⁶ sterility assurance level (SAL)

12x25x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 6 Pack Reflective & Greenhouse Films Full spectrum (6400K) grow lightsNordic Pure Half Inch Ring Panel AC Furnace Air Filters consist of an internal frame bonded between flat layers of two different types of electrostatically charged HVAC furnace filter media. The first layer is a high capacity, polyester filter material which acts as a pre filter, capturing large airborne particles. The second, more efficient, layer is a MERV rated smooth poly blend filter material. The electrostatic charge works as a magnet to draw in