15x19x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Ventilation/Air Conditioning Ideal for reservoirs under 65

Ideal for reservoirs under 65 gallons

Look for adults hunting in the daytime along leaf veins and over the whole leaf surface come nightfall

it can be easily mixed with water and sprayed on targeted areas

Creating a grow recipe within the Niwa app allows for several stages to define the different parameters needed for each stage of a plant

15x19x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Ventilation/Air Conditioning Ideal for reservoirs under 65Nordic 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