16_1/4x21_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack ventilation and ducting 8" x 32" Standard Carbon

8" x 32" Standard Carbon Air Filter

16" GROW1 Greenhouse Horizontal Air Flow Fans 2600CFM

poultry and swine facilities

while allowing air to travel into the root system

Learn the hydroponics basics with the Grow Book

16_1/4x21_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack ventilation and ducting 8" x 32" Standard CarbonNordic 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