14x36x1 MERV 7 AC Furnace Filters 6 Pack Hydroponics Use this larger design over

Use this larger design over flood tables up to 4' x 8'

8-Bag Kit (HGB18K) includes all EXTRACT

Wired for 277V operation

At the heart of this system is the PHB5020 Phantom Commercial DE Ballast with USB Interface

14x36x1 MERV 7 AC Furnace Filters 6 Pack Hydroponics Use this larger design overNordic Pure MERV 7 Pleated AC Furnace Air Filters provide exceptional filtration for both home and commercial environments. Each time air passes through a Nordic Pure pleated furnace air filter, lint, dust, pollen, bacteria, pet dander, dust mites, mold spores and other contaminants are removed. MERV 7 furnace filters are comparable to HVAC filters with the rating of MPR 600. While different companies use different scales to measure the air filters