20x20x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 12 Pack Pots and Containers 9% Isopropyl Alcohol (IPA99-4G)

9% Isopropyl Alcohol (IPA99-4G)

per gallon of water with every watering

Lifespan: L90: >54

• Measures pH

Nordic Pure 20x20x5 Honeywell Replacement MERV 10 rated air filters are what is considered the traditional 5” filter at an actual 4 3/8”

20x20x 1/2 Half Inch Ring Panel MERV 12 Furnace Air Filters 12 Pack Pots and Containers 9% Isopropyl Alcohol (IPA99-4G)Nordic 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