Cartridge Filter Martec Sonfarrel C-4301

28 sq. ft. Cartridge Filter Martec, Sonfarrel C-4301 FC-1610

• Diameter : 4-15/16
• Length : 14-7/8
• Top End Cap: id/config : 2-1/8 / open
• Bottom End Cap: id/config : 2-1/8 / open

The cartridge is used on the following spas:

• Advantage Mfg.
  • OEM P/N ELE-25 (top load)
• Martec
  • OEM P/N CL-2200
• Nordic Hot Tubs
• Sonfarrel
  • OEM P/N 220122
• Thermo Spas of Connecticut