11_1/2x11_1/2x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack fluorescent-lighting This Product Controls These Pests

This Product Controls These Pests or Diseases: Slugs (Mult)

They also speed up the decomposition process in cold composting

BlueLab pH UP 1 Gallon

Nordic Pure 10x20x2 MERV 12 Plus Carbon air filters are made of a dual material where the MERV rated material has been fused together with a carbon layer

• High-precision microprocessor control

11_1/2x11_1/2x1 Exact MERV 14 Plus Carbon AC Furnace Filters 6 Pack fluorescent-lighting This Product Controls These PestsNordic Pure Custom MERV 14 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