7_3/4x25_3/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack grow-systems-trays-reservoirs Cultured and packaged to order

Cultured and packaged to order

• Twelve bucket modules (2 gallon)

0 micron contaminants and up to 65% of 1

and Top-Max

7_3/4x25_3/4x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack grow-systems-trays-reservoirs Cultured and packaged to orderNordic 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