20x26x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack cube Fits Powerhouse (all)

Fits Powerhouse (all)

Designed around 2' x 4' propagation rafts for versatile use between flood & drain

This concentrated combination of detergents cleans your meter quickly and effectively so that your meter stays in optimum condition

and Perionyx excavatus — each selected for their voracious appetite for organic matter and prolific casting production

20x26x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack cube Fits Powerhouse (all)Nordic Pure Custom MERV 14 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