23_1/2x23_1/2x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Terp Derp your growing knows little bounds

your growing knows little bounds

Heat-treated HSS with titanium nitride coating

Easy to assemble (applies to 6 pack only)

6 Liters (1

4-in-1 ( Temp & Humidity & CO2 & Day Night ) Sensor: Max

23_1/2x23_1/2x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Terp Derp your growing knows little boundsNordic Pure Custom MERV 8 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