12_1/8x15x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Pumps & Irrigation and one thermal probe port

and one thermal probe port

or grow fresh herbs right in your kitchen

or general plant production

confirming it meets the standards for use in certified organic production under the USDA National Organic Program

12_1/8x15x1 MERV 8 Plus Carbon AC Furnace Filters 6 Pack Pumps & Irrigation and one thermal probe portNordic 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