20x22_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack harvest-solutions and 112-Inches fully extended

and 112-Inches fully extended

It contains carefully selected mycorrhizal fungi and bacteria well-suited to a variety of soils

What sets these bags above the rest is their ability to encapsulate odors

see the INSTRUCTIONS tab

food grade hose

20x22_1/4x1 Exact MERV 13 Plus Carbon AC Furnace Filters 6 Pack harvest-solutions and 112-Inches fully extendedNordic Pure Custom MERV 13 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