17x26x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack rock-bottom Drench or mist your plants

Drench or mist your plants for an explosion of new root growth

and other vining plants

Pure is environmentally friendly

One perfect for 2x2ft grow tent and four for 4x4ft grow box

17x26x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack rock-bottom Drench or mist your plantsNordic Pure Custom MERV 14 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