Cartridge diameter -5-1/8"
Cartridge length - - 10-1/4"
Top configuration -Open, Bottom configuration -Open
Top dimension -1-15/16", Bottom dimension -1-15/16"
Square footage -30
Spa OEM's that use this filter cartridge- Watkins Hot Spring Spas- FH/IH 220V Models, No Adaptor
Proline
Cartridge diameter -4-1/4" Cartridge length - - 8" Top configuration -Open, Bottom configuration -Open Top dimension -1-15/16", Bottom dimension -1-15/16" Square footage -5 Spa OEM's...
Proline
Cartridge diameter -4-1/4" Cartridge length - - 4" Top configuration -Open, Bottom configuration -Open Top dimension -1-15/16", Bottom dimension -1-15/16" Square footage -10 Spa OEM's...
Proline
Cartridge diameter -6" Cartridge length - - 10-1/2" Top configuration -Open, Bottom configuration -Open Top dimension -1-15/16", Bottom dimension -1-15/16" Square footage -30 Spa OEM's...
Proline
Cartridge diameter -4-1/4" Cartridge length - - 5-7/16" Top configuration -Open, Bottom configuration -Open Top dimension -1-15/16", Bottom dimension -1-15/16" Square footage -4
Proline
Cartridge diameter -4-15/16" Cartridge length - - 5-1/2" Top configuration -Closed, Bottom configuration -Open Top dimension -, Bottom dimension -1-9/10" Square footage -16
