21_1/2x23_3/8x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack spl_luxx • Outputs 22 - 46

• Outputs 22 - 46 microns particle size—average droplet 20 micron

DC extension cords(sold separetely) enable the detachable driver to be installed outside the grow tent where will become even cooler

●【Daisy Chain Dimming Function】 Dimmer knob added

Flow: 1517 CFM

These products aren't just "containers

21_1/2x23_3/8x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack spl_luxx • Outputs 22 - 46Nordic Pure Custom MERV 13 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