16_1/4x21_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack ventilation and ducting 16" GROW1 Greenhouse Horizontal Air

16" GROW1 Greenhouse Horizontal Air Flow Fans 2600CFM

check valve

users can switch among three ranges to choose the best resolution according to the environment being tested

Perfect for Veg – Flower – Young plants

8" x 32" Standard Carbon Air Filter

16_1/4x21_1/2x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack ventilation and ducting 16" GROW1 Greenhouse Horizontal AirNordic 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