10x22x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack soil nutruient For soil/container gardening

For soil/container gardening

Shut down warning with LED error indicator light

Apply once a week throughout the vegetative growth phase of the plant

dander and other airborne particles down to 0

10x22x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack soil nutruient For soil/container gardeningNordic 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