20x24x1 Pure Green Eco-Friendly AC Furnace Air Filters 12 Pack Ventilation Digital Calibration (push button) to

Digital Calibration (push button) to any point within the meter's range

the lamp should never be turned off sooner than 2 minutes

Includes electrode

MERV 8 furnace air conditioner filters are comparable to HVAC filters with the rating of MPR 600

20x24x1 Pure Green Eco-Friendly AC Furnace Air Filters 12 Pack Ventilation Digital Calibration (push button) toPure 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