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even more so if the you drill the cover for tubing connections and/or cut out a port for adding nutrients
The motor box containing the fan’s impeller and blades can be detached from the mounted frame for easy cleaning and maintenance
Contains an EC-motor with PWM-control for a quiet and energy efficient performance
* Lockable
15x36x1 MERV 14 Plus Carbon AC Furnace Filters 6 Pack cloning-and-seed-starting even more so if theNordic Pure Custom MERV 14 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