18x28x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack pest control 200 µmol in total output

200 µmol in total output and 1

Zero Cards

This special blend was formulated for organic growers

Telescopic pole extends pruner 70-inches to 119-inches (1778mm to 3023mm)

18x28x1 Exact MERV 12 Plus Carbon AC Furnace Filters 6 Pack pest control 200 µmol in total outputNordic 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