8x18x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Air Filter An Electronic Shut Off Kit

An Electronic Shut Off Kit is not required

20" GROW1 Greenhouse Horizontal Air Flow Fans 3600CFM

and mushrooms

Temperature

*The 600W HPS Double Ended Grow Lamp works with any of our Double-ended reflectors

8x18x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Air Filter An Electronic Shut Off KitNordic 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