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The iGS-221 can operate the intake and exhaust fans cyclically to replenish the garden's atmosphere in oxygen as it is needed for the plants and for safe CO2 combustion generator operation
1/2'' and 1/4'' and 150 Micron trays
SuffOil-X leaves no toxic residue on plants
Net Weight: 1
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22x23x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack cube The iGS-221 can operate theNordic 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