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Wouldn't it be nice to take the guess work out of your filter change schedule and use the filter to its full capacity before replacing it? Well you can by installing this device made by GeneralAire which monitors pressure drop across your filter.


An air filter change indicator can potentially save you hundreds of dollars on replacement air filters and can even lead to reduced operating costs for your air conditioner, heat pump or furnace. Change your furnace filter or air conditioner filter too often and it's like throwing money away. Wait too long between filter changes and Read More