12_1/8x15x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack Meters & Solutions 9” wide for shade free

9” wide for shade free deployment

internal battery and features LED status indicator for low battery power

3 microns—similar to the protection of an N95 respirator

No phytotoxicity at recommended field rates

making this the safest and best hydroponic grow system

12_1/8x15x1 MERV 10 Plus Carbon AC Furnace Filters 6 Pack Meters & Solutions 9” wide for shade freeNordic 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