60 square foot filter for 2002-2008 J-300 Series Jacuzzi Premium Spas. Dimensions: Diameter 6 5/8in, Length 15 1/2in, Top Handle, Bottom 2in SAE. Includes open top filter cartridge and twist on cap. Filters are OEM, purchased directly from Jacuzzi Premium Spas. 6541-383, 6000-383 (Replaces 6541-383 and 6540-476)