8_7/8x33_5/8x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack cloning-and-seed-starting Can be used from seedling

Can be used from seedling to harvest

• 3/4” NPT thread fits in-line mounting

use as soon as insect pests are spotted

and all Hydrofarm inline fans

premium earth worm castings

8_7/8x33_5/8x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack cloning-and-seed-starting Can be used from seedlingNordic 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