17x25x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Lighting The KDF-85 media is specifically

The KDF-85 media is specifically effective at reducing chloramine

Heavy Duty but Not “Heavy”

Expand your ebb & flow system up to 48 plant sites on one control unit—depending on reservoir size—control unit and reservoir sold separately

Is compatible with most commonly used pesticides (see Use Instructions to review exceptions)

and safeguarding your hard work from oxidation

17x25x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack Lighting The KDF-85 media is specificallyNordic Pure Custom MERV 12 Plus Carbon air filters are made based on the actual measurements so be sure to measure your current filter to get the EXACT dimensions before ordering. As with all Nordic Pure filters, the effective life of your filter depends on the environment in which you live. We recommend changing 1 and 2 filters every 30 90 days. Our 4, 5 and 6 inch thick filters could last up to 6 months. EXACT MEASUREMENT: Furnace and air condition