Mr. Heater Filter Kit for Kerosene Forced Air Heaters 2005-2008 Models Fits the following heaters - 2005 models - 2008 MR. HEATER: MH50KT; MH75KT; MH125KT; MH175KT; MH210KT Fits the following heaters - 2005 models - 2008 - HEATSTAR: HS50KT; HS75KT; HS125KT; HS175KT; HS210KT Fits the following heaters - 2005 models - 2008 REDDY HEATER - R100; R100A; R100B; R110; R150B; R150BT; R150D; R155; R165 Fits the following heaters - 2005 models - 2008 -MASTER - B100A; B100B; B100G; B110; B150F; B150FT; B150G; B150GT; B165 Fits the following heaters - 2005 models - 2008 DESA - C100D; C100E; C100F; 150F