17_1/4x19_1/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Water Pumps & Irrigation Supplies leaving behind sugars and strong

leaving behind sugars and strong flavors

Inlet/Outlet 12''

Note: Use the Phat HEPA filter to cleanse the air entering into your indoor garden

and mildews off your plants

Can be used up to the day of harvest - 0-day Pre-Harvest Interval (0-Day PHI)

17_1/4x19_1/4x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack Water Pumps & Irrigation Supplies leaving behind sugars and strongNordic Pure Custom MERV 8 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