14_1/2x19x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack botanicare Regular flanges come in 4"

Regular flanges come in 4"

Designed to flow 25 GPH (Gallons Per Hour) of pure RO water

visible results within 4–5 days

snow-white particle of perlite is sterile with a neutral pH and contains many tiny

3 gallon aluminum vacuum chamber

14_1/2x19x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack botanicare Regular flanges come in 4"Nordic 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