10x22x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack meters-&-solutions Stonington Blend meets the organic

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

Use halide for growing and sodium for flowering

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

Setup and calibrate your meter in no time with as little as a 1 point calibration

L PTM WG (TA) T Grodan Hugo in bulk form on a pallet

10x22x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack meters-&-solutions Stonington Blend meets the organicNordic 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