10x22x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack meters-&-solutions easy-to-use formula for the hobbyist

easy-to-use formula for the hobbyist and professional gardener

Important Note: Almost all furnace air filters have a different Actual Size (the exact dimensions) than Nominal Size (the name) printed on the air conditioning filter

Stonington Blend meets the organic production standards of the Maine Organic Farmers & Gardeners Association (MOFGA) and is permitted for use in the production of MOFGA certified organic crops

Hardwire option: No

the powdery mildew to which tomatoes are susceptible

10x22x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack meters-&-solutions easy-to-use formula for the hobbyistNordic Pure Custom MERV 12 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