12x20x1 Pure Green Eco-Friendly AC Furnace Air Filters 12 Pack growing-accessories Repeat small application process and

Repeat small application process and stir well

One cable now includes both pairs of wires for process and temperature output

In tank mode

Factory Calibrated: The COM-100 meter is calibrated with a 1413 µS solution

pollen and honeydew

12x20x1 Pure Green Eco-Friendly AC Furnace Air Filters 12 Pack growing-accessories Repeat small application process andPure Green Eco Friendly AC Furnace Air Filters by Nordic Pure are made from an environmentally responsible non woven, high loft, antimicrobial filter media. The MERV 6 rating has a lower pressure drop, minimizing energy consumption while maintaining a high dust holding capacity. As we continue to keep our eyes on media technology advances, our Pure Green media will be changing its appearance. Please expect the same quality and performance you have