16_1/4x21_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Terp Derp Full color spectrum

Full color spectrum

these dampers prevent air leakage into your fan setup

The Spring Pot Burner 20 Gallon fabric pot grow bag is the smart pot choice for hobby and commercial growers looking for an optimal performance grow bag that air-prunes roots for faster plant growth and higher harvest yields

the V-Series fans operate at lower RPM (1500 to 1700)

16_1/4x21_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack Terp Derp Full color spectrumNordic Pure Custom MERV 13 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