11x32_1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack extraction The fans are housed in

The fans are housed in heavy-duty cold rolled steel with spiral fan guards

they also eat those that they don't parasitize

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

SaferGro Natural Wet is compatible with most products

Includes two RO membranes (HL22045)

11x32_1/2x1 Exact MERV 7 Plus Carbon AC Furnace Filters 6 Pack extraction The fans are housed inNordic Pure Custom MERV 7 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