23_1/4x29_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack harvest-solution - Kills and controls aphids

- Kills and controls aphids

conductivity AND temperature

Without disturbing the rest of the tree

and size options

It really couldn’t be simpler

23_1/4x29_1/4x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack harvest-solution - Kills and controls aphidsNordic 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