Mr. Heater Replacement Filter Kit Compatible with 6600 to 150000 BTU Reddy Heater Replacement Filter Kit Includes heavy duty gasket for outlet filter for various BTU kerosene heaters Inlet and outlet filters will fit all rectangular air pump assemblies for most kerosene heaters 2003-2008 Compatible with 2003-2008 models: Reddy:R150, R150A, R150AT, M100D, M150S, Master: B100D, B150A, B150B, B150C, B150D, DESA: C150D, C150E Compatible with 2003-2008 models: Koehring: K150, Knipco: F110D, F150F, F150G,F66D, Remington: REM150