8x12x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack complete-systems such as flowers

such as flowers

• Prune efficiently and effectively

Works across a wide range of growing media including soil

black spot

Comes complete with installation hardware and instructions

8x12x1 MERV 13 Plus Carbon AC Furnace Filters 6 Pack complete-systems such as flowersNordic 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