The GeneralAire SP14 is the correct replacement filter for the following dehumidifier:
The GeneralAire SP14 Dehumidifier Panel Filter is an insulated filter that fits your Model 1300 Dehumidifier. Dust or vacuum your dehumidifier at least once a year before plugging it in. A clean panel filter and unit will operate more efficiently.
GeneralAire Dehumidifier Panel Filter Replacement specifications:
The GeneralAire 1300 Dehumidifier attaches to your existing ductwork to dehumidify your entire home or business. To ensure that the dehumidification process is optimized, a thermostatic expansion valve is used for the refrigeration system. Heat removed from water vapor when it condenses converts to heat that increases the temperature.