17x26x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack spl_cp 047 propagules/cc)

047 propagules/cc)

6" x 6" x 6" (150mm x 150mm x 142mm)

and grow to their fullest quality & yielding potential

this clear circular “Cool Tube"

of Trifecta for every gallon of water

17x26x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack spl_cp 047 propagules/cc)Nordic Pure Custom MERV 8 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