20x28x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack food-storage Fire Blight and more

Fire Blight and more

• Low profile to fit under flood tables and other hydroponic systems

0-day Pre-Harvest Interval (PHI) and 0-hour Restricted Entry Interval (REI)

Inside gradation to verify water level

Item # Description Product Dimension Net lbs Box Dimension Gross lbs CS/QTY UG-LC/8 UltraGrow – Light Controller / 8 Outlets With Trigger Cord 11⅞” x 8⅞” x 3⅝” 7

20x28x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack food-storage Fire Blight and moreNordic 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