14x18x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack grow-system/-trays/-reservoirs Demineralized water can be added

Demineralized water can be added to the soil prior to proceeding with further tests

humic acids

formulated for use during the fruiting/flowering phase

3x3ft bloom footprint

• 3/4” NPT thread fits in-line mounting

14x18x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack grow-system/-trays/-reservoirs Demineralized water can be addedNordic 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