This rotor is 5/8” thick (2 1/8" dia) it comes with the (4) vanes and the white insert. PP205 is used on Desa oil fired heaters 55k & 220k. Brands include Reddy, Master,Knipco, Koehring, Remington, Dayton, Deere and many more Pinnacle part # 70-022-0200 used on 210-220k BTU oil fired Pinnacle heaters. Brands include Remington, Pro Temp, Mi-T-M, Dayton, Heatstream, Sunstream, BE, Stanley GHP part # KFA1022 used on 210-220K BTU oil fired GHP heaters. Brands include Dyna Glo, Thermoheat, Dayton