23x25x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack biological fertilizer Pack Type: Bulk

Pack Type: Bulk

Load this puppy up with "Simple Green(tm)" (or similar)

• Improves plant flavor

CO2 enrichment or A/C units while vents are active

and a 6-foot heavy duty power cord

23x25x1 Exact MERV 8 Plus Carbon AC Furnace Filters 6 Pack biological fertilizer Pack Type: BulkNordic 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