20_1/2x25_1/2x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack tents-/-indoor-greenhouses flow (flood & drain) systems

flow (flood & drain) systems work by pumping nutrient solution up from a reservoir to a controlled water level tray

[Lead Time of 4 to 6 weeks]

Medium High Speed 379 CFM 60 watts

These fabric pots use 320G thick nonwoven fabric that supports more weight than other planters and provides insulation from inclement weather

#4 perlite

20_1/2x25_1/2x1 Exact MERV 10 Plus Carbon AC Furnace Filters 6 Pack tents-/-indoor-greenhouses flow (flood & drain) systemsNordic Pure Custom MERV 10 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