16x18x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack house and amp 16 x PotPro™ | 5

16 x PotPro™ | 5 Gallon

Includes a water-resistant nylon drawstring bag

commercial row crops

Moderate pH

Plenty for the hobbyist

16x18x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack house and amp 16 x PotPro™ | 5Nordic Pure Custom MERV 14 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