23_3/4x23_3/4x1Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack commercial-greenhouse-fixtures The exclusive Iwasaki/EYE chemistry provides

The exclusive Iwasaki/EYE chemistry provides levels of red

My EC dropped and my plants still looked better than ever — the biology in this stuff is real

These microorganisms can help break down larger elements into simple chemical components that are easier for uptake and absorption

one 8 oz BioMarine

use Opulent Harvest to make that hard work pay off

23_3/4x23_3/4x1Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack commercial-greenhouse-fixtures The exclusive Iwasaki/EYE chemistry providesNordic Pure Custom MERV 10 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