17_1/8x34_7/8x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack X Nutrients high efficiency LED designed for

high efficiency LED designed for vertical farming

Bugs may return (as is possible with any insect control)

Designed to prolong bulb life and preserve light quality

3" wide drill access points on all four walls for installation of inlet and outlet fittings

Proven to stimulate more root growth

17_1/8x34_7/8x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack X Nutrients high efficiency LED designed forNordic 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