28x28x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack beneficial microbes 5" X 20'' CF-4520-CC Replacement

5" X 20'' CF-4520-CC Replacement Carbon Filter for the EX600-4000-HFT (Tall versions)

The silver "plus" lens coating makes the Operator MH+ a good choice for outdoors too

wholesalers and florists

Best results will be achieved by making more frequent applications every 2 to 3 weeks rather than increasing the concentration of the spray solution

Finally—a Neem Oil Leaf Shine that mixes easily with water for easy applications

28x28x1 MERV 12 Plus Carbon AC Furnace Filters 6 Pack beneficial microbes 5" X 20'' CF-4520-CC ReplacementNordic 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