23_3/4x23_3/4x1Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Monterey Neem Oil Contact your Hydrofarm sales representative

Contact your Hydrofarm sales representative for help selecting the best items for your grow room

Recommended lamps:

200 Proof 710 Ethanol is a highly pure and effective solvent that is commonly used in the extraction industry

The inline variable speed controller can control the fan’s speed and turn it on or off

Simple CO2 controller with display and day/night detection

23_3/4x23_3/4x1Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack Monterey Neem Oil Contact your Hydrofarm sales representativeNordic Pure Custom MERV 12 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