8x18x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack spl_hrg Also available in commercial sizes

Also available in commercial sizes as JH Biotech Natural Wet

brown spot

this gel will work with rooting cubes or aeroponic machines

We’re switching all units to GroEzy

8x18x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack spl_hrg Also available in commercial sizesNordic 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