14x22x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack -monitors-&-timers Due to high demand

Due to high demand

depending on the type of plants you are growing and the quantity of plants in your system

Scleroderma cepa

This parasite can be used year-round in greenhouses and outdoors as it is not affected by short-day lengths

Beam Angle: 120°

14x22x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack -monitors-&-timers Due to high demandNordic Pure Custom MERV 12 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