Replacement Part Models: 70-003-0200 It is about 7 1/2" in length 70-003-0200 fuel filter is for the 120-220k btu heaters Fits Mi-T-M, Dayton, ProTemp, Remington, DuraHeat, Master, SunStream, HeatStream, Stanley Fuel Heater This 70-003-0200 fuel filter is an important part of the heater's fuel system, its role is to filter impurities and particulate matter in the fuel, ensure that the heater's fuel supply system is clean, so as to ensure the normal operation of the heater Replacement Part Models: 70-003-0200 It is about 7 1/2" in length 70-003-0200 fuel filter is for the 120-220k btu heaters. Fits Mi-T-M, Dayton, ProTemp, Remington, DuraHeat, Master, SunStream, HeatStream, Stanley Fuel Heater This 70-003-0200 fuel filter is an important part of the heater's fuel system, its role is to filter impurities and particulate matter in the fuel, ensure that the heater's fuel supply system is clean, so as to ensure the normal operation of the heater