13x23x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Trimming Shears Every growers setup is unique

Every growers setup is unique to their needs and the Niwa Grow Hub+ allows users to keep their setup and automate at the same time

Net Weight (lb): 33

which prevents further spore development

High Output and Improved Spectrum

Shigella dysentertae

13x23x1 MERV 7 Plus Carbon AC Furnace Filters 6 Pack Trimming Shears Every growers setup is uniqueNordic Pure Custom MERV 7 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