One of the most used furnace filter is the 5” furnace filter. A 5”furnace filters with a MERV rating greater than 10, works very effectively. MERV rating stands for Minimum Efficiency Reporting Value, which ranges from 1-20.MERV rating measures the efficiency of the furnace filter. Higher the MERV rating better is the efficiency of the furnace filter. By furnace filter, we mean the thickness of the furnace filter is 5”. If you are looking to buy a 5” furnace filter at the most effective price then have a look at our website and buy with confidence.
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