12_1/2x23_1/2x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_ps added to hydroponic reservoirs and

added to hydroponic reservoirs and is ideal for brewing plant teas

Humidity: 5% to 90% RH

Dimensions 32″x24″x24″

there is no tangling of the fibrous root systems

and compatible for all T5 fixtures we offer

12_1/2x23_1/2x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack spl_ps added to hydroponic reservoirs andNordic 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