8x18x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Sprayers and Wands fast growing plants with shorter

fast growing plants with shorter stature perfect for stacked growth

critters and ground feeding birds

Can be used as a harvest aid for cotton

The PreFilter eliminates bigger particles such as dust to prevent premature usage of the carbon

27 x PotPro™ | 8" Tall (2 Gallon)

8x18x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack Sprayers and Wands fast growing plants with shorterNordic Pure Custom MERV 7 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